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35KV/10KV digital protection

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YXB-411 digital transformer backup protection device
1 Overview
Use 1.1YXB-411 series products:
Backup protection for transformer of YXB-411 series digital transformer backup protection device for 110KV and below voltage substation (including two volumes of high, low side and three winding transformer in high, low, three side), device and control YXT-411 of differential protection of main transformer two functions of spacer.
The main function of 1.2YXB-411 products:
1.2.1 protection function
Three section type (or two section of two time, optional) composite voltage starting over-current protection function;
Two section type zero sequence voltage blocking zero sequence overcurrent;
The zero sequence current blocking zero sequence over-voltage protection;
Overload protection function;
Low voltage protection function;
The low-frequency protection function;
The current imbalance protection function;
PT breaking and insulation monitoring function;
1.2.2 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
1.2.3 event record, fault recording and statistical functions
Record of events including protection action events, self check fault;
Record of operation parameters of protection action event types, action time and protective action; recording device self-test fault type and occurring time;
Fault recorder includes: protection action time, protection type and start action recorded before and after the effective value of the wave;
Fault recorder data length: fault five channel 2 before and after fault Zhou Bo Zhou Bo 4, a total of 192 points for each channel;
1.2.4 communication function
Send real-time data, including measurement data, recording data, fault, alarm signal and all the protection setting values of system parameters, control word.
Control command, send to receive the higher includes: system time, setting and data read and write commands.
1.2.5 monitoring function
The remote control function. The function and control external telemetry functions, with device for measuring analog acquisition external switch quantity signal switch.
1.2.6 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
General technical data 2
2.1 the rated DC data
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%
2.2 rated AC data
Rated current In:5A
Rated AC voltage Un:100V
AC power waveform is sine wave, the distortion coefficient is less than 2%
The frequency of fn:50Hz
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work
Applying the 40In continued to 1s after the failure of insulation
2.4 power consumption
The DC circuit each protection module is not more than 8W
AC voltage circuit is less than 0.5VA / phase
Alternating current circuit is not more than 0.5VA / phase
2.5 output contact
In the voltage does not exceed 250V, current shall not exceed 0.5A, the time constant is 5 ± 0.75ms DC circuit, device output contact breaking capacity is 50W, is connected to the current less than 5A long time allowed
The main technical data of 2.6 protection
2.6.1 current quick break protection, delay quick break protection, over-current protection, zero sequence overcurrent protection
The 2.6.1.1 action value
Tuning range of 1 ~99.99A
The accuracy of the average error less than ± 3% action value
The 2.6.1.2 action time
Setting range 0 ~ 120.00s
Movement time in the action current setting value of 2 times the operating time, the measured error is less than ± 35ms
2.6.1.3 phase to phase function
The sensitive angle -30 °, the average error is less than ± 5 °, consistency is not greater than 5
The action area of 160 °, the average error is less than ± 5 °
2.6.1.4 composite voltage start function
Low voltage startup: tuning range of 5~100V whole grading difference 0.01V the average error is less than ± 3%
The negative sequence voltage startup: tuning range of 5~100V whole grading difference 0.01V the average error is less than ± 3%
2.6.1.5 zero sequence voltage blocking function (blocking zero sequence overcurrent protection)
Tuning range of 20~120V whole grading difference 0.01V the average error is less than ± 3%
2.6.2 zero sequence current blocking zero sequence over-voltage protection function
The 2.6.2.1 action value
Setting range 20 ~ 120V
The accuracy of the average error less than ± 3% action value
The 2.6.2.2 action time
Setting range 0 ~ 120.00s
Movement time in the action current setting value of 2 times the operating time, the measured error is less than ± 35ms
2.6.2.3 zero sequence current atresia
Tuning range of 0.05 ~ 99.99A, the average error is less than ± 3%
2.6.3 telemetry accuracy
U, I 0.2
P, Q 0.5
2.6.4 remote signal resolution
Not more than 2ms
The 2.7 insulating properties
2.7.1 insulation resistance
Insulation resistance under standard experimental conditions between the device all circuits and shell, is not less than 500M.
2.7.2 medium intensity
Medium strength device all circuit and the shell can withstand AC 50Hz, voltage 2kV (RMS), during the 1min experiment, without breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
2.8 impulse voltage
Between the conductive portion of the device on the exposed non conductive metal part of the shell, the tests prescribed atmospheric conditions, can withstand amplitude for Standard Lightning 5kV wave shock test.
2.9 anti interference ability
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHz and 100kHz damped oscillatory wave (the first half wave voltage mode 2.5kV, mode 1kV) pulse interference test
Severity level device can bear GB/T14598.14 specified for ESD interference test grade IV
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade III
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test
2.10 mechanical properties
Working conditions: a device can withstand harsh grade response, vibration magnitude 1 shock response test
Transportation: the device can withstand the harsh level vibration durability, impact and collision test level 1
2.11 environmental conditions
Environmental temperature
Work: - 10 ℃ ~ they c
Storage: - 25 ℃ ~ +70 ℃ in under the limit does not apply the incentive amount, device does not appear irreversible change, temperature recovery device should be able to work properly.
Atmospheric pressure: 80 ~ 110kPa (equivalent altitude 2km and below)
Relative humidity: not more than 90%, no condensation.
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing
Transformer protection device YXB-4101 factory
1 Overview
Transformer backup protection and control using a series of digital factory device suitable for transformer protection, protection, control, communication and other functions, the functions are as follows:
1.1 protection function
Three section type composite voltage starting over-current protection function;
High pressure side of zero sequence voltage blocking zero sequence two flow and high pressure side of zero sequence current blocking zero sequence over-voltage protection;
Low voltage side of zero sequence overcurrent protection two section;
Overload protection function;
Low voltage protection function;
Body protection: the heavy gas operation, over temperature trip, light gas alarm and temperature alarm;
PT breaking and insulation monitoring function;
1.2 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
The 1.3 event recording, fault recording and statistical functions
Record of events including protection action events, self check fault;
Record of operation parameters of protection action event types, action time and protective action; recording device self-test fault type and occurring time;
Fault recorder includes: protection action time, protection type and start action recorded before and after the effective value of the wave;
Fault recorder data length: fault five channel 2 before and after fault Zhou Bo Zhou Bo 4, a total of 192 points for each channel;
1.4 communication function
Send real-time data, including measurement data, recording data, fault, alarm signal and all the protection setting values of system parameters, control word.
Control command, send to receive the higher includes: system time, setting and data read and write commands.
1.5 monitoring function
The remote control function. The function and control external telemetry functions, with device for measuring analog acquisition external switch quantity signal switch.
1.6 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
General technical data 2
2.1 the rated DC data
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%
2.2 rated AC data
Rated current In:5A
Rated AC voltage Un:100V
AC power waveform is sine wave, the distortion coefficient is less than 2%
The frequency of fn:50Hz
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work
Applying the 40In continued to 1s after the failure of insulation
2.4 power consumption
The DC circuit each protection module is not more than 8W
AC voltage circuit is less than 0.5VA / phase
Alternating current circuit is not more than 0.5VA / phase
2.5 output contact
In the voltage does not exceed 250V, current shall not exceed 0.5A, the time constant is 5 ± 0.75ms DC circuit, device output contact breaking capacity is 50W, is connected to the current less than 5A long time allowed
The main technical data of 2.6 protection
2.6.1 current quick break protection, delay quick break protection, over current protection, the high side and low side zero sequence overcurrent protection, overload alarm
The 2.6.1.1 action value
Tuning range of 1 ~99.99A
The grading error 0.01A
The accuracy of the average error less than ± 3% action value
The 2.6.1.2 action time
Setting range 0 ~ 120.00s
The grade difference of 0.01 s
Movement time in the action current of 2 times the setting value, the measured action time is not more than 30ms
2.6.1.3 compound voltage lockout function
Low voltage blocking: tuning range of 5~100V whole grading difference 0.01V the average error is less than ± 3%
The negative sequence voltage blocking: tuning range of 5~100V whole grading difference 0.01V the average error is less than ± 3%
2.6.1.4 zero sequence voltage blocking function (blocking zero sequence overcurrent protection)
Tuning range of 20~199V whole grading difference 0.01V the average error is less than ± 3%
2.6.2 zero sequence current blocking zero sequence over-voltage protection function
The 2.6.2.1 action value
Setting range 20 ~ 199V
The grading error 0.01V
The accuracy of the average error less than ± 3% action value
The 2.6.2.2 action time
Setting range 0 ~ 120.00s
The grade difference of 0.01 s
Movement time in the action current of 2 times the setting value, the measured action time is not more than 30ms
2.6.2.3 zero sequence current atresia
Tuning range of 0.4In ~ 10In whole grading difference 0.01A the average error is less than ± 3%
2.6.3 telemetry accuracy
U, I 0.2
P, Q 0.5
2.6.4 remote signal resolution
Not more than 2ms
The 2.7 insulating properties
2.7.1 insulation resistance
Insulation resistance under standard experimental conditions between the device all circuits and shell, is not less than 500M.
2.7.2 medium intensity
Medium strength device all circuit and the shell can withstand AC 50Hz, voltage 2kV (RMS), during the 1min experiment, without breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
2.8 impulse voltage
Between the conductive portion of the device on the exposed non conductive metal part of the shell, the tests prescribed atmospheric conditions, can withstand amplitude for Standard Lightning 5KV wave shock test.
2.9 anti interference ability
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHz and 100kHz damped oscillatory wave (the first half wave voltage mode 2.5kV, mode 1kV) pulse interference test
Severity level device can bear GB/T14598.14 specified for ESD interference test grade III
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade III
Severity level device can bear GB/T14598.10 specified for fast transient Ⅲ variable interference test
2.10 mechanical properties
Working conditions: a device can withstand harsh grade response, vibration magnitude 1 shock response test
Transportation: the device can withstand the harsh level vibration durability, impact and collision test level 1
2.11 environmental conditions
Environmental temperature
Work: - 10 ℃ ~ they c
Storage: - 25 ℃ ~ +70 ℃ in under the limit does not apply the incentive amount, device does not appear irreversible change, temperature recovery device should be able to work properly.
Atmospheric pressure: 80 ~ 110kPa (equivalent altitude 2km and below)
Relative humidity: the wettest month average maximum relative humidity is 90%, while the average minimum temperature of the month is 25 ℃ and non condensing surface. The highest temperature is 40 ℃, the average maximum relative humidity of not more than 50%
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing
Capacitor protection and control device YXC-4XX digital
1 Overview
The YXC-4XX series device monitoring and protection of digital capacitance device applicable to, low voltage shunt capacitors, capacitor unit of bay level equipment, YXC4XX series has two kinds, namely YXC411 and YXC412. The YXC411 measurements of a PT; YXC412 bus PT and PT discharge measurement. Its functions are as follows:
1.1 protection function
Three section type over-current protection function;
Zero sequence overcurrent protection function;
Zero sequence over-voltage protection function;
Over voltage protection (can be cast without flow blocking function);
Low voltage protection function (for a flow blocking function);
1.2 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
The 1.3 event recording, fault recording and statistical functions
Record of events including protection action events, self check fault;
Record of operation parameters of protection action event types, action time and protective action; recording device self-test fault type and occurring time;
Fault recorder includes: protection action time, protection type and start action recorded before and after the effective value of the wave;
Fault recorder data length: fault five channel 2 before and after fault Zhou Bo Zhou Bo 4, a total of 192 points for each channel;
1.4 communication function
Send real-time data, including measurement data, recording data, fault, alarm signal and all the protection setting values of system parameters, control word.
Control command, send to receive the higher includes: system time, setting and data read and write commands. Remote online setting modification and retreating some protection function.
1.5 monitoring function
Telemetry functions with device for measuring current, voltage, frequency and other analog,
Acquisition circuit breaker, energy storage remote functions, isolation switch, remote / local position signal and switch signal, remote control functions, close circuit breaker and energy storage,
1.6 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
General technical data 2
2.1 the rated DC data
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%
2.2 rated AC data
Rated current In:5A
Rated AC voltage Un:100V
AC power waveform is sine wave, the distortion coefficient is less than 2%
The frequency of fn:50Hz, the allowable deviation ± 0.5%
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work
Applying the 40In continued to 1s after the failure of insulation
2.4 power consumption
The DC circuit each protection module is not more than 8W
AC voltage circuit is less than 0.5VA / phase
Alternating current circuit is not more than 0.5VA / phase
2.5 output contact
In the voltage does not exceed 250V, current shall not exceed 0.5A, the time constant is 5 ± 0.75ms DC circuit, device output contact breaking capacity is 50W, is connected to the current less than 5A long time allowed.
The main technical data of 2.6 protection
2.6.1 current quick break protection, delay quick break protection, over-current protection, zero sequence overcurrent protection
The 2.6.1.1 action value
Setting range 1 ~ 99.99A
The grading error 0.01A
The accuracy of the average error less than ± 3% action value
The 2.6.1.2 action time
Setting range 0 ~ 120.00s
The grade difference of 0.01 s
Movement time in the action current of 2 times the setting value, the measured action time is not more than 30ms
2.6.2 over voltage protection, low voltage protection
The 2.6.2.1 action value
Tuning range of 5~120V
The grading error 0.01V
The accuracy of the average error less than ± 3% action value
The 2.6.2.2 action time
Setting range 0 ~ 120.00s
The grade difference of 0.01 s
Movement time in the action current of 2 times the setting value, the measured action time is not more than 30ms
2.6.2.3 telemetry accuracy
U, I 0.2
P, Q 0.5
2.6.2.4 remote signal resolution
Not more than 2ms
The 2.7 insulating properties
2.7.1 insulation resistance
Insulation resistance under standard experimental conditions between the device all circuits and shell, is not less than 500M.
2.7.2 medium intensity
Medium strength device all circuit and the shell can withstand AC 50Hz, voltage 2KV (RMS), during the 1min experiment, without breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
2.8 impulse voltage
Between the conductive portion of the device on the exposed non conductive metal part of the shell, the tests prescribed atmospheric conditions, can withstand amplitude for Standard Lightning 5kV wave shock test.
2.9 anti interference ability
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHz and 100kHz damped oscillatory wave (the first half wave voltage mode 2.5kV, mode 1kV) pulse interference test
Severity level device can bear GB/T14598.14 specified for ESD interference test grade IV
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade III
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test
2.10 mechanical properties
Working conditions: a device can withstand harsh grade response, vibration magnitude 1 shock response test
Transportation: the device can withstand the harsh level vibration durability, impact and collision test level 1
2.11 environmental conditions
Environmental temperature
Work: - 10 ℃ ~ they c
Storage: - 25 ℃ ~ +70 ℃ in under the limit does not apply the incentive amount, device does not appear irreversible change, temperature recovery device should be able to work properly. Relative humidity device packaging should preserve the environment of not more than 80%
Atmospheric pressure: 80 ~ 110kPa (equivalent altitude 2km and below)
Relative humidity: not more than 90%, no condensation.
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing
YXD-411 digital motor protection and control device
1 Overview
YXD-411 digital motor protection and control device is suitable for 10KV or 6KV small current grounding system of high voltage motor, as the bay level equipment, complete protection, control, communication and other functions, the functions are as follows:
1.1 protection function
Over current and negative sequence overcurrent protection;
Blocking protection;
The protection of starting time;
Overcurrent - time and negative sequence inverse time protection;
Overheating protection;
Low voltage protection and voltage negative phase sequence protection;
Overload alarm;
Small current grounding line selection function: the fundamental judgment, line selection after the alarm signal;
The zero sequence current protection function: the zero sequence current setting value 0.05~5A, outlet tripping or alarm can choose;
PT line and CT line function;
1.2 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
The 1.3 event recording, fault recording and statistical functions
Record of events including protection action events, self check fault;
Record of operation parameters of protection action event types, action time and protective action; recording device self-test fault type and occurring time;
Fault recorder includes: protection action time, protection type and start action recorded before and after the effective value of the wave;
Fault recorder data length: channel before the fault and after fault Zhou Bo 2 Zhou Bo 4, a total of 192 points for each channel;
1.4 communication function
Send real-time data, including measurement data, recording data, fault, alarm signal and all the protection setting value, the control word, parameters of the system etc.. Remote online setting modification and retreating some protection function.
Control command, send to receive the higher includes: system time, setting and data read and write commands.
1.5 monitoring function
Telemetry functions with device for measuring current, voltage, frequency and other analog;
Acquisition circuit breaker, energy storage, isolation switch, remote / local position signal and other signals of the remote communication function;
Remote control functions, close circuit breaker and energy storage;.
1.6 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
The panel has the system status indicator.
2 technical data
2.1 the rated DC
220 V;
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%.
2.2 rated AC
AC voltage: 100V;
Alternating current: 5A;
AC power waveform is sine wave, the distortion coefficient is less than 2%;
Frequency: 50Hz, allowable deviation is + 0.5%.
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work;
Applying the 40In continued to 1s after the failure of insulation.
2.4 power consumption
The DC circuit is not more than 8W;
AC circuit is less than 0.5VA / phase.
2.5 output contact
In the AC circuit voltage is not more than 250V, contact current capacity of 5A (resistive load);
Contact life 1000 times.
2.6 main technical data
2.6.1 positive sequence current protection, negative sequence current protection, blocking protection, zero sequence current protection
The 2.6.1.1 action value
Tuning range of 1 ~ 99.99A; (zero sequence current of 0.05 ~ 5A);
The grading error 0.1A;
The accuracy of the average error less than ± 3% action value.
The 2.6.1.2 action time
Tuning range of 0~ 99.99s;
The grading error 0.01s;
Action time accuracy in the action current of 2 times the measured under the action of time, when the tuning range of the average error less than ± 35ms 0~1s action.
2.6.2 overcurrent protection of inverse time negative sequence current protection, inverse time
The 2.6.2.1 action value
Tuning range of 0.2In ~ 2In;
The grading error 0.1A;
The accuracy of the average error less than ± 5% action value
2.6.2.2 time characteristics
Accuracy and consistency of action time is not more than 20ms, when the time for action time and calculate the average error less than ± 50ms 0.1~1s, while the average error action time and computing time is not more than ± 5% range is 1.00~99.99s.
2.6.3 thermal protection function
2.6.3.1 thermal protection action value
Two times rated current setting range of 0.2In ~ 2In;
The grading error 0.1A;
Accuracy consistent action value not greater than action value of 5%; the average error is less than ± 5%
Thermal alarm coefficient tuning range of 0.01 0.10~1.00 differential error less than ± 10 ﹪
2.6.3.2 thermal protection action time
Action time accuracy when the time range for the 0.1~1s average error action time and computation time of less than ± 50ms, when more than one second action time, action time and calculate the average error less than ± 5%.
2.6.4 overload protection function
The 2.6.4.1 action value
Tuning range of 0.2In ~ 2In; (zero sequence current of 0 ~ 5A);
The grading error 0.1A;
The accuracy of the average error less than ± 5% action value
2.6.4. 2 time characteristics
Action time accuracy in the action current of 2 times the measured under operating time, the average error is less than ± 35ms.
2.6.5 low voltage protection
2.6.5.1 low voltage protection value
Tuning range: 20V~100V;
The grade difference: 1V;
Action value accuracy: consistency is not greater than action value of 3%, the average error is less than ± 3%.
The action time of 2.6.5.2 low voltage protection
Tuning range: 0 ~ 99.99s;
The grade difference: 0.01s;
Motion accuracy of time: the average error less than ± 35ms action.
2.6.6 voltage reverse phase sequence protection
When the line voltage is higher than the low voltage protection setting value if the positive sequence voltage, negative sequence voltage is two times greater than the delay tripping.
Voltage negative phase sequence protection action time
Tuning range: 0 ~ 99.99s;
The grade difference: 0.01s;
Motion accuracy of time: the average error less than ± 35ms action.
2.6.7 startup time protection
When the current is greater than a fixed value, that the motor is started, the time to start, if 1.5Ie
2.7 telemetry accuracy:
U, I 0.2
P, Q 0.5
2.8 remote signal resolution
Not more than 2ms
The 2.9 insulating properties
2.9.1 insulation resistance
Each conductive circuit between the external device 露非 charged metal part and the shell, and between different electrical circuit without contact, respectively, to determine the value of insulation resistance test instrument for open circuit voltage 500V, should not be less than 500M.
2.9.2 medium intensity
Medium strength device all circuit and the shell can withstand AC 50HZ, voltage 2KV (RMS), during the 1min experiment, without breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
Table 1
The test site
1 AC circuit to ground the same set of contacts on the ground
Withstand voltage level of power frequency 2kV (effective value)
Between the 2 AC circuit
Withstand voltage level.
Between the 3 AC and DC circuits
Withstand voltage level.
The 4 DC power supply circuit to ground
Withstand voltage level.
The same group of contacts between the 5
Withstand voltage level of power frequency 1kV (effective value)
2.10 impulse voltage
Between the conductive portion of the device on the exposed non conductive metal part of the shell, the tests prescribed atmospheric conditions, can withstand amplitude for Standard Lightning 5kV wave shock test.
2.11 anti interference ability
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHz and 100kHz damped oscillatory wave (the first half wave voltage mode 2.5kV, mode 1kV) pulse interference test;
Severity level device can bear GB/T14598.14 specified for ESD interference test grade iv;
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade iii;
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test;
2.12 mechanical properties
Working conditions: a device can withstand harsh grade response, vibration magnitude 1 shock response test;
Transportation: the device can withstand the harsh level vibration durability, impact and collision test level 1;
2.13 environmental conditions
Environmental temperature
Work: - 10 ℃ ~ they C.
Storage: - 25 ℃ ~ +70 ℃ in under the limit does not apply the incentive amount, device does not appear irreversible change, temperature recovery device should be able to work properly.
Atmospheric pressure: 80 ~ 110kPa (equivalent altitude 2km and below).
Relative humidity: not more than 90%, no condensation.
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing

YXD-412 digital motor differential protection device
1 Overview
Use 1.1 YXD-412 series products:
The device is suitable for high voltage motor 10KV or 6KV system, and comprehensive protection of YXD-411 motor control device complete with two functional motor spacer.
The 1.2 main functions of YXD-412 products:
1.2.1 protection function
Differential quick break protection function: differential phase type quick break protection, action time is not more than 25ms;
The differential protection function: differential protection phase type (with ratio braking characteristic and neutral side CT ratio adjustment function);
CT disconnection detection and differential current is too large alarm function: real-time detection of CT break, but locking differential protection, and when the current mutation but differential current is large alarm;
Body protection function
1.2.2 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
1.2.3 event record, fault recording and statistical functions
Record of events including protection action events, self check fault;
Record of operation parameters of protection action event types, action time and protective action; recording device self-test fault type and occurring time;
Fault recorder includes: protection action time, protection type and start action recorded before and after the effective value of the wave;
Fault recorder data length: fault six channel 2 before and after fault Zhou Bo Zhou Bo 4, a total of 192 points for each channel;
1.2.4 communication function
Send real-time data, including measurement data, recording data, fault, alarm signal and all the protection setting values of system parameters, control word.
Control command, send to receive the higher includes: system time, setting and data read and write commands.
1.2.5 monitoring function
Telemetry functions with device for measuring current analogue;
Acquisition circuit breaker, energy storage, isolation switch, remote / local position signal and other signals of the remote communication function;
Remote control functions, close circuit breaker and energy storage;.
1.2.6 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
2 technical data
2.1 the rated DC
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%
2.2 rated AC
Alternating current 5A
AC voltage 100V
AC power waveform is sine wave, the distortion coefficient is less than 2%
The frequency of 50Hz, the allowable deviation ± 0.5%
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work
Applying the 40In continued to 1s after the failure of insulation
2.4 power consumption
DC power supply circuit is not more than 8W
DC measurement circuit is not more than 1W
Alternating current circuit is not more than 0.5VA / phase
AC voltage circuit is less than 0.5VA / phase
2.5 output contact
In the AC circuit voltage is not more than 250V, contact the current capacity of 5A, (resistive load), the contact life 1000 times.
The main technical data of 2.6 protection
2.6.1 differential relay protection
Tuning range of 0.2In ~ 10In
The accuracy of the average error action time is less than ± 3%; in the current action 2 times measured under operating time is not more than 25ms
2.6.2 differential protection
Tuning range of 0.2In ~ 10In
The accuracy of the average error less than ± 3% action value
In the action current of 2 times the measured action time is not more than 35ms
Ratio braking ratio brake coefficient 0.30 ~ 0.70 ratio brake fixed value of 0.2In ~ 10In
2.7 remote signal resolution
Not more than 2ms
The 2.8 insulating properties
2.8.1 insulation resistance
Each conductive circuit between the external device 露非 charged metal part and the shell, and between different electrical circuit without contact, respectively, to determine the value of insulation resistance test instrument for open circuit voltage 500V, should not be less than 500M.
2.8.2 medium intensity
The test voltage, device should be able to withstand the shown in Table 1 for 1min, no insulation breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
Table 1
1 AC circuit to ground the same set of contacts on the ground
Withstand voltage level of power frequency 2kV (effective value)
Between the 2 AC circuit
Withstand voltage level.
Between the 3 AC and DC circuits
Withstand voltage level.
The 4 DC power supply circuit to ground
Withstand voltage level.
The same group of contacts between the 5
Withstand voltage level of power frequency 1kV (effective value)
2.9 impulse voltage
AC circuit device, DC circuit and device leads to the same set of contact terminals on the ground, as well as the AC circuit and DC circuit can bear short-time impulse voltage test standard lightning wave, the test voltage is 5KV.
2.10 anti electrical interference experiment
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHZ and 100KHZ damped oscillatory wave (the first half wave voltage mode 2.5KV, mode 1KV) pulse interference test
Severity level device can bear GB/T14598.14 specified for ESD interference test grade IV
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade III
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test
2.11 mechanical properties
The equipment can withstand harsh level response to vibration level 1, vibration endurance test;
The equipment can withstand harsh level response for the 1 stage of impact, impact endurance test;
Device can withstand the rigors of rating for the collision test level 1.
2.12 environmental conditions
The working temperature environment - 10 ℃ ~ +55 C
Storage - 25 ℃ ~ +70 C
Atmospheric pressure 70 ~ 106KPa
Relative humidity: the wettest month average maximum relative humidity is 95%, while the average minimum temperature of the month is 25 ℃ and non condensing surface. The highest temperature is 40 ℃, the average maximum relative humidity of not more than 50%;
Other conditions: device around the air should not contain

YXK-411 voltage automatic switching device
1 Overview
YXK-411 voltage automatic switching device as a sub system of substation integrated automation, the main achievement of the two group bus PT automatic switching, remote switching function. The following device characteristics:
Device with a new high performance digital signal processor (DSP) as the core, fast processing speed, strong operation ability.
Anti interference design of unique and advanced surface mount installation process so that the system has high reliability; hardware level two watchdog to ensure that the system can timely reduction in abnormal; with multiple rewriting locking function EEPROM storage coefficient and configuration, ensure that the parameter is not to write error.
Large screen LCD display and keyboard Chinese characters films make debugging more convenient man-machine interface. The panel has run, alarm indication lamp.
Real time 32 AC sampling, software automatic compensation, no adjustable element.
Telemetry functions: measuring the two group bus PT voltage.
Remote functions: digital signal and circuit breaker, device isolation switch position signal uploaded to the substation layer.
PT bus wire, insulation monitoring detection function.
Over voltage, low voltage, zero sequence overvoltage alarm or trip.
PT automatic switching function, PT remote control switching function.
By the field bus technology and integrated automation system communication, execution down order, upload data.
General technical data 2
2.1 the rated DC data
220 V;
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%.
2.2 rated AC data
Rated AC voltage Un:100V;
AC power waveform is sine wave, the distortion coefficient is less than 2%;
The frequency of fn:50Hz, the allowable deviation ± 0.5%.
2.3 power consumption
The DC circuit each protection module is not more than 8W;
AC voltage circuit is less than 0.5VA / phase.
2.4 output contact
In the voltage does not exceed 250V, current shall not exceed 0.5A, the time constant is 5 ± 0.75ms DC circuit, device output contact breaking capacity is 50W, is connected to the current less than 5A long time allowed.
2.5 main technical data
The 2.5.1PT voltage automatic switching, over voltage protection, low voltage protection
The 2.5.1.1 action value
Tuning range of 5~120V
The grading error 0.01V
Accuracy consistent action value not greater than action value of 3%; the average error is less than ± 3%.
The 2.5.1.2 action time
Setting range 0 ~ 9.99s
The grade difference of 0.01 s
Movement time in the action current setting value of 2 times, action time setting is 0.01s, the measured action time is not more than 30ms.
2.5.2 telemetry accuracy
U level 0.2;
2.5.3 remote signal resolution
Not more than 2ms.
The 2.6 insulating properties
2.6.1 insulation resistance
Insulation resistance under standard experimental conditions between the device all circuits and shell, is not less than 500M.
2.6.2 medium intensity
Medium strength device all circuit and the shell can withstand AC 50Hz, voltage 2kV (RMS), during the 1min experiment, without breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
2.7 impulse voltage
Between the conductive portion of the device on the exposed non conductive metal part of the shell, the tests prescribed atmospheric conditions, can withstand amplitude for Standard Lightning 5kV wave shock test.
2.8 anti interference ability
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHz and 100kHz damped oscillatory wave (the first half wave voltage mode 2.5kV, mode 1kV) pulse interference test;
Severity level device can bear GB/T14598.14 specified for ESD interference test grade iv;
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade iii;
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test.
2.9 mechanical properties
Working conditions: a device can withstand harsh grade response, vibration magnitude 1 shock response test;
Transportation: the device can withstand the harsh level vibration durability, impact and collision test level 1.
2.10 environmental conditions
Environmental temperature
Work: - 10 ℃ ~ they C.
Storage: - 25 ℃ ~ +70 ℃ in under the limit does not apply the incentive amount, device does not appear irreversible change, temperature recovery after
Device should be able to work properly.
Atmospheric pressure: 80 ~ 110kPa (equivalent altitude 2km and below).
Relative humidity: the wettest month average maximum relative humidity is 90%, while the average minimum temperature of the month is 25 ℃ and non condensing surface. The highest temperature is 40 ℃, the average maximum relative humidity of not more than 50%; relative humidity device packaging should be kept less than: 80%.
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing.

YXL-4XX digital line protection and control device
1 Overview
1.1 series of YXL-4XX products use classification:
YXL-4XX series digital line protection and control device is suitable for 66KV and below voltage levels in small current grounding system, or with the current and voltage protection of 110KV line, is a line unit of bay level device.
YXL411 two element line protection, YXL412 three element line protection. Based on the basic YXL412 protection function of YXL411 increased on the reclosing synchronism check / check no voltage input function, synchronism check / check no pressure function, 3U0 value.
1.2 main functions are as follows:
1.2.1 protection function
The three section of low voltage blocking directional over-current protection: each section of low voltage blocking or direction locking can be cast back;
A three-phase automatic reclosing function;
Function: reducing low-frequency low-voltage blocking and small current locking can be cast back, carrying outlet tripping or alarm can choose to reduce the week;
Small current grounding line selection function: after the alarm signal;
The zero sequence current protection function: the zero sequence current setting value 0.2A~5A, outlet tripping or alarm can choose;
1.2.2 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
1.2.3 event record, fault recording and statistical functions
Record of events including protection action events, self check fault;
Record of operation parameters of protection action event types, action time and protective action; recording device self-test fault type and occurring time;
Fault recorder includes: protection action time, protection type and start action recorded before and after the effective value of the wave;
Fault recorder data length: channel before the fault and after fault Zhou Bo 2 Zhou Bo 4, a total of 192 points for each channel;
1.2.4 communication function
Send real-time data, including measurement data, recording data, fault, alarm signal and all the protection setting value, the control word, parameters of the system etc.. Remote online setting modification and retreating some protection function.
Control command, send to receive the higher includes: system time, setting and data read and write commands.
1.2.5 monitoring function
Telemetry functions with device for measuring current, voltage, frequency and other analog;
Acquisition circuit breaker, energy storage, isolation switch, remote / local position signal and other signals of the remote communication function;
Remote control functions, close circuit breaker and energy storage;
1.2.6 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
General technical data 2
2.1 the rated DC data
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%.
2.2 rated AC data
Rated current In:5A;
Rated AC voltage Un:100V;
AC power waveform is sine wave, the distortion coefficient is less than 2%;
The frequency of fn:50HZ, the allowable deviation ± 0.5%.
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work;
Applying the 40In continued to 1s after the failure of insulation.
2.4 power consumption
The DC circuit each protection module is not more than 8W;
AC voltage circuit is less than 0.5VA / phase;
Alternating current circuit is not more than 0.5VA / phase.
2.5 output contact
In the voltage does not exceed 250V, current shall not exceed 0.5A, the time constant is 5 ± 0.75ms DC circuit, device output contact breaking capacity is 50W, is connected to the current less than 5A long time allowed.
The main technical data of 2.6 protection
2.6.1 quick break protection, delay quick break protection, over-current protection, zero sequence current protection
The 2.6.1.1 action value
Tuning range of 0.5 ~ 99.99A; (zero sequence current of 0.2 ~ 5A)
The accuracy of the average error less than ± 3% action value
The 2.6.1.2. action time
Setting range 0 ~ 120.00s
Action time accuracy in the action current of 2 times the measured action time, action time average error less than ± 35ms
2.6.1.3 phase to phase function
The sensitive angle -30 °, the average error is less than ± 5 °, consistency is not greater than 5
The action area of 160 °, the average error is less than ± 5 °
2.6.1.4 low voltage blocking function
Tuning range of 5V~100V, the grading 1V, error is less than ± 3%
2.6.2 reclosing function
Protection is a three-phase reclosing function
Reclosing time delay: setting range 0.1 ~ 120.00s
The average error less than ± 35ms action
Accelerating function after 2.6.3
Acceleration a, two section, three section is optional after
Each post acceleration control word alone to cast back
Post acceleration delay time: setting range 0 ~ 3S
The average error less than ± 35ms action
Load function of reducing low frequency 2.6.4
Carrier frequency reducing low frequency 2.6.4.1
Tuning range: 46 Hz ~50 Hz
The grade difference: 0.01 Hz
Action value accuracy: consistency is not greater than 0.01 Hz; the average error is less than ± 0.02 Hz
2.6.4.2 low voltage lock under frequency load shedding
Tuning range: 5V~100V
The grade difference: 1V
Action value accuracy: the average error is less than ± 3%
2.6.4.3 low current locking under frequency load shedding
Tuning range: 0.2A~10A
Action value accuracy: the average error is less than ± 5%
2.6.4.4 slip blocking of under frequency load shedding
Setting: Δ F Δ T 0~10 Hz; fixed tuning of 0.5
The grade difference: F 0.01 Hz
Action value accuracy: the average error is less than ± 0.05 Hz/ s
2.6.4.5 UFLS action time
Setting time: 0.1 ~ 120.00s
Motion accuracy of time: the average error less than ± 35ms action
2.6.5 small current grounding line selection function
Fundamental applied over the zero sequence voltage, zero sequence current setting value, when the advance of zero sequence current zero sequence voltage between 10 ° ~170 °, convicted of small current grounding, boundary error is less than ± 5 °; sensitive angle +90 °.
2.6.6 telemetry accuracy
U, I 0.2
P, Q 0.5
2.6.7 remote signal resolution
Not more than 2ms
The 2.7 insulating properties
2.7.1 insulation resistance
Insulation resistance under standard experimental conditions between the device all circuits and shell, is not less than 500M.
2.7.2 medium intensity
Medium strength device all circuit and the shell can withstand AC 50Hz, voltage 2kV (RMS), during the 1min experiment, without breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
2.8 impulse voltage
Between the conductive portion of the device on the exposed non conductive metal part of the shell, the tests prescribed atmospheric conditions, can withstand amplitude for Standard Lightning 5kV wave shock test.
2.9 anti interference ability
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHz and 100kHz damped oscillatory wave (the first half wave voltage mode 2.5kV, mode 1kV) pulse interference test
Severity level device can bear GB/T14598.14 specified for ESD interference test grade IV
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade III
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test
2.10 mechanical properties
Working conditions: a device can withstand harsh grade response, vibration magnitude 1 shock response test
Transportation: the device can withstand the harsh level vibration durability, impact and collision test level 1
2.11 environmental conditions
Environmental temperature
Work: - 10 ℃ ~ they c
Storage: - 25 ℃ ~ +70 ℃ in under the limit does not apply the incentive amount, device does not appear irreversible change, temperature recovery device should be able to work properly. Device packaging should be kept in relative humidity and atmospheric pressure: 80~110kPa (very high altitude 2km and below)
Relative humidity: not more than 90%, no condensation.
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing

YXR-411 digital integrated measurement and control device
1 Overview
The 1.1 YXR-411 control device functions are as follows:
1.2 main functions are as follows:
1.2.1 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
1.2.2 event record function
Record of events including protection action events, self check fault;
1.2.3 communication function
Send real-time data, including the measurement data, and all the protection setting value, the control word, parameters of the system etc.. Remote online setting modification and switching functions.
Control command, send to receive the higher includes: system time, setting and data read and write commands.
1.2.4 monitoring function
Telemetry functions with device for measuring current, voltage, frequency and other analog;
Collecting three DC to DC or temperature, display the control word setting;
Acquisition circuit breaker, energy storage, isolation switch, remote / local position signal and other signals of the remote communication function;
Remote control functions, close circuit breaker and energy storage;
1.2.5 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
The panel has the system status indicator.
2 technical data
2.1 the rated DC
220 V (power);
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%.
The input range DC collection: 0~5V.
2.2 rated AC
AC voltage: 100V;
Alternating current: 5A;
AC power waveform is sine wave, the distortion coefficient is less than 2%;
Frequency: 50Hz, allowable deviation is + 0.5%.
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work;
Applying the 40In continued to 1s after the failure of insulation.
2.4 power consumption
The DC circuit is not more than 8W;
AC circuit is less than 0.5VA / phase.
2.5 output contact
In the AC circuit voltage is not more than 250V, contact current capacity of 5A (resistive load);
Contact life 1000 times.
2.6 telemetry accuracy:
U, I 0.2
P, Q 0.5
2.7 remote signal resolution
Not more than 2ms
The 2.8 insulating properties
2.8.1 insulation resistance
Each conductive circuit between the external device 露非 charged metal part and the shell, and between different electrical circuit without contact, respectively, to determine the value of insulation resistance test instrument for open circuit voltage 500V, should not be less than 500M.
2.8.2 medium intensity
Medium strength device all circuit and the shell can withstand AC 50HZ, voltage 2KV (RMS), during the 1min experiment, without breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
Table 1
1 AC circuit to ground the same set of contacts on the ground
Withstand voltage level of power frequency 2kV (effective value)
Between the 2 AC circuit
Withstand voltage level.
Between the 3 AC and DC circuits
Withstand voltage level.
The 4 DC power supply circuit to ground
Withstand voltage level.
The same group of contacts between the 5
Withstand voltage level of power frequency 1kV (effective value)
2.9 impulse voltage
Between the conductive portion of the device on the exposed non conductive metal part of the shell, the tests prescribed atmospheric conditions, can withstand amplitude for Standard Lightning 5KV wave shock test.
2.10 anti interference ability
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHZ and 100KHZ damped oscillatory wave (the first half wave voltage mode 2.5KV, mode 1KV) pulse interference test;
Severity level device can bear GB/T14598.14 specified for ESD interference test grade iv;
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade iii;
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test;
2.11 mechanical properties
Working conditions: a device can withstand harsh grade response, vibration magnitude 1 shock response test;
Transportation: the device can withstand the harsh level vibration durability, impact and collision test level 1;
2.12 environmental conditions
Environmental temperature
Work: - 10 ℃ ~ they C.
Storage: - 25 ℃ ~ +70 ℃ in under the limit does not apply the incentive amount, device does not appear irreversible change, temperature recovery device should be able to work properly.
Atmospheric pressure: 80 ~ 110KPa (equivalent altitude 2km and below).
Relative humidity: not more than 90%, no condensation.
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing.
YXT-411 digital transformer differential protection device
1 Overview
The device is suitable for 110KV and below voltage substation Vol two main transformer, as the differential and body protection, its functions are as follows:
1.1 protection function
Differential quick break protection function: differential phase type quick break protection, action time is not more than 25ms;
The differential protection function: differential protection phase type (with harmonic brake, ratio braking characteristic and low side CT ratio adjustment function);
CT disconnection detection and differential current is too large alarm function: real-time detection of CT break, but locking differential protection, and when the current mutation but differential current is large alarm;
Body protection: the heavy gas operation, adjustable pressure heavy gas operation, light gas alarm, pressure regulating light tile alarm;
Start ventilation function: when the high side B phase current is larger than the current setting start start ventilation ventilation outlet.
1.2 self check function
Automatic detection of RAM, ROM, A/D and power disappear fault device;
Detection of setting, configuration, parameter automatically;
The 1.3 event recording, fault recording and statistical functions
Record of events including protection action events, self check fault;
Record of operation parameters of protection action event types, action time and protective action; recording device self-test fault type and occurring time;
Fault recorder includes: protection action time, protection type and start action recorded before and after the effective value of the wave;
Fault recorder data length: fault five channel 2 before and after fault Zhou Bo Zhou Bo 4, a total of 192 points for each channel;
1.4 communication function
Send real-time data, including measurement data, recording data, fault, alarm signal and all the protection setting values of system parameters, control word.
Control command, send to receive the higher includes: system time, setting and data read and write commands.
1.5 monitoring function
Acquisition circuit breaker, energy storage, isolation switch, remote / local position signal and other signals of the remote communication function;
Remote control functions, close circuit breaker and energy storage.
1.6 display function
The panel has a big screen Chinese characters LCD display, keyboard operation, can realize the measurement of tracking and monitoring, online setting modification or retreating some protection function.
2 technical data
2.1 the rated DC
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%
2.2 rated AC
Alternating current 5A
AC power waveform is sine wave, the distortion coefficient is less than 2%
The frequency of 50Hz, the allowable deviation ± 0.5%
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work
Applying the 40In continued to 1s after the failure of insulation
2.4 power consumption
DC power supply circuit is not more than 8W
Alternating current circuit is not more than 0..5VA / phase
2.5 output contact
In the AC circuit voltage is not more than 250V, contact the current capacity of 5A, (resistive load), the contact life 1000 times.
The main technical data of 2.6 protection
2.6.1 differential relay protection
Setting range 1 ~ 99.99A
The grading error 0.01A
The accuracy of the average error action time is less than ± 3%; in the current action 2 times measured under operating time is not more than 25ms
2.6.2 differential protection
Setting range 1 ~ 99.99A
The grading error 0.01A
Accuracy consistent action value not greater than action value of 3%; the average error is less than ± 3%
In the action current of 2 times the measured action time is not more than 30ms
Ratio braking ratio brake coefficient 0.30 ~ 0.70 ratio brake fixed value of 0.2In ~ 10In
Harmonic restraint harmonic restraint coefficient of 0.10 ~ 0.70
2.6.3 start ventilation function
Constant current 2.6.4 start ventilation
Setting range 1 ~ 99.99A
The grading error 0.01A
Accuracy consistent action value not greater than action value of 3%; the average error is less than ± 3%
2.6.5 start ventilation action time
Setting range 0 ~ 9.99s
The grading error 0.01s
The average error of motion accuracy of time operation time is less than ± 30ms.
2.7 telemetry accuracy:
Level 0.2
2.8 remote signal resolution
Not more than 2ms
The 2.9 insulating properties
2.9.1 insulation resistance
Each conductive circuit between the external device 露非 charged metal part and the shell, and between different electrical circuit without contact, respectively, to determine the value of insulation resistance test instrument for open circuit voltage 500V, should not be less than 500M.
2.9.2 medium intensity
The test voltage, device should be able to withstand the shown in Table 1 for 1min, no insulation breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
1 AC circuit to ground the same set of contacts on the ground
Withstand voltage level of power frequency 2kV (effective value)
Between the 2 AC circuit
Withstand voltage level.
Between the 3 AC and DC circuits
Withstand voltage level.
The 4 DC power supply circuit to ground
Withstand voltage level.
The same group of contacts between the 5
Withstand voltage level of power frequency 1kV (effective value)
2.10 impulse voltage
AC circuit device, DC circuit and device leads to the same set of contact terminals on the ground, as well as the AC circuit and DC circuit can bear short-time impulse voltage test standard lightning wave, the test voltage is 5KV.
2.11 anti electrical interference experiment
The equipment can withstand GB/T14598.13 provisions of the frequency of 1MHZ and 100KHZ damped oscillatory wave (the first half wave voltage mode 2.5KV, mode 1KV) pulse interference test.
Severity level device can bear GB/T14598.14 specified for ESD interference test grade IV.
Severity level device can withstand GB/T14598.9 regulations for electromagnetic radiation interference test grade III.
Severity level device can bear GB/T14598.10 specified for fast transient IV variable interference test.
2.12 mechanical properties
The equipment can withstand harsh level response to vibration level 1, vibration endurance test.
The equipment can withstand harsh level response for the 1 stage of impact, impact endurance test.
Device can withstand the rigors of rating for the collision test level 1.
2.13 environmental conditions
The working temperature environment - 10 ℃ ~ +55 C
Storage - 25 ℃ ~ +70 C
Atmospheric pressure 80 ~ 110KPa
Relative humidity: the wettest month average maximum relative humidity is 90%, while the average minimum temperature of the month is 25 ℃ and non condensing surface. The highest temperature is 40 ℃, the average maximum relative humidity of not more than 50%;
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing.

The automatic input device of YXZ-411 digital standby power supply
1 Overview
YXZ-411 digital BZT device is piecewise lbtz can break at work, a power failure or other reasons, quickly and automatically will lose the power circuit breaker is disconnected, the circuit breaker closing. YXZ-411 embedded digital signal processing (DSP) and field bus technology, the hardware structure with the same with different software can be applied to all kinds of main wiring of substation standby power requirements.
2 technical inion
2.1 the rated DC (or AC)
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%.
2.2 rated AC
Alternating current 5A
AC voltage 100V (line voltage)
AC power waveform is sine wave, the distortion coefficient is less than 2%
The frequency of 50HZ, the allowable deviation ± 0.5%
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work
Applying the 40In continued to 1s after the failure of insulation
2.4 power consumption
The DC circuit is not more than 8W
AC circuit is less than 0..5VA / phase
2.5 output contact
In the AC circuit voltage is not more than 250V, contact current capacity of 5A (resistive load). The contact life 1000 times.
2.6 quick break protection, delay quick break protection, over-current protection action value:
Setting range 1 ~ 99.99A;
The grading error 0.01A;
Accuracy consistent action value not greater than action value of 3%; the average error is less than ± 3%;
2.7 quick break protection, delay quick break protection, over-current protection action time.
Setting range 0 ~ 9.99S;
The grade difference of 0.01 S;
Action time accuracy in the action current of 2 times the measured action time, consistency is not greater than 20ms, the average error is less than ± 30ms action time.
The 2.8 section auto protection check no pressure action value
Tuning range of 10~ 70V;
Accuracy consistent action value not greater than action value of 3%; the average error is less than ± 3%.
The 2.9 section auto switching protection action time
Setting range 0.1 ~ 9.99s;
The action time of voltage dips to 90% setting value, measured action time is not more than 30ms.
2.10 remote signal resolution
Not more than 2ms
The 2.11 insulating properties
2.11.1 insulation resistance
Each conductive circuit between the external device 露非 charged metal part and the shell, and between different electrical circuit without contact, respectively, to determine the value of insulation resistance test instrument for open circuit voltage 500V, should not be less than 500M.
2.11.2 medium intensity
Device should be able to withstand the test voltage, 3 are shown for 1min, no insulation breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
Table 3
1 AC circuit to ground the same set of contacts on the ground
Withstand voltage level of power frequency 2kV (effective value)
Between the 2 AC circuit
Withstand voltage level.
Between the 3 AC and DC circuits
Withstand voltage level.
The 4 DC power supply circuit to ground
Withstand voltage level.
The same group of contacts between the 5
Withstand voltage level of power frequency 1kV (effective value)
2.12 impulse voltage
AC circuit device, DC circuit and device leads to the same set of contact terminals on the ground, as well as the AC circuit and DC circuit can bear short-time impulse voltage test standard lightning wave, the test voltage is 5kV.
2.13 anti electrical interference experiment
Device can withstand the frequency is 1MHz and 100kHz respectively, the repetition rate of 300~500 wave / s and 50 waves per second, common mode interference test voltage is 2.5kV, the voltage mode interference for interference test 1kV.
2.14 mechanical properties
The equipment can withstand harsh level response to vibration level 1, vibration endurance test.
The equipment can withstand harsh level response for the 1 stage of impact, impact endurance test.
Device can withstand the rigors of rating for the collision experiment in class 1.
2.15 environmental conditions
Environmental temperature
The working temperature of - 10 ℃ ~ they c
The storage temperature of - 25 ℃ ~ +70 C
Atmospheric pressure 80 ~ 110KPa
Relative humidity of not more than 90%, no condensation
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing

YXZ-413 line BZT device
1 Overview
YXZ-413 line BZT device in the main power failure or other reasons after disconnection, rapid automatic stand-by power or standby equipment to work, realize the mutual switching function, and the main power to live condition, disconnect the standby power supply, input the main power supply. YXZ-413 embedded digital signal processing (DSP) and field bus technology, the hardware structure with the same with different software can be applied to all kinds of main wiring of substation standby power requirements.
2 technical inion
2.1 the rated DC (or AC)
220 V
DC voltage ripple coefficient is less than 2%, the voltage fluctuation for rated voltage of 80~110%
2.2 rated AC
Alternating current 5A
AC voltage 100V (line voltage)
AC power waveform is sine wave, the distortion coefficient is less than 2%
The frequency of 50HZ, the allowable deviation ± 0.5%
2.3 AC circuit overload capacity
Applying the 1.2In ~ 2In device can work
Applying the 40In continued to 1s after the failure of insulation
2.4 power consumption
The DC circuit is not more than 8W
AC circuit is less than 0.5VA / phase
2.5 output contact
In the AC circuit voltage is not more than 250V, contact current capacity of 5A (resistive load). The contact life 1000 times.
2.6 bats were no pressure protection action value
Tuning range of 10~ 70V
Accuracy consistent action value not greater than action value of 3%; the average error is less than ± 3%
2.7 auto switching protection action time
Setting range 0.1 ~ 9.99s
The action time of voltage dips to 90% setting value, measured action time is not more than 30ms
2.8 remote signal resolution
Not more than 2ms
The 2.9 insulating properties
2.9.1 insulation resistance
Each conductive circuit between the external device 露非 charged metal part and the shell, and between different electrical circuit without contact, respectively, to determine the value of insulation resistance test instrument for open circuit voltage 500V, should not be less than 500M.
2.9.2 medium intensity
Device should be able to withstand the test voltage, 3 are shown for 1min, no insulation breakdown or flashover phenomenon. While reviewing the dielectric strength test voltage value, for the specified value of 75%.
Table 3
1 AC circuit to ground the same set of contacts on the ground
Withstand voltage level of power frequency 2kV (effective value)
Between the 2 AC circuit
Withstand voltage level.
Between the 3 AC and DC circuits
Withstand voltage level.
The 4 DC power supply circuit to ground
Withstand voltage level.
The same group of contacts between the 5
Withstand voltage level of power frequency 1kV (effective value)
2.10 impulse voltage
AC circuit device, DC circuit and device leads to the same set of contact terminals on the ground, as well as the AC circuit and DC circuit can bear short-time impulse voltage test standard lightning wave, the test voltage is 5kV.
2.11 anti electrical interference experiment
Device can withstand the frequency is 1MHz and 100kHz respectively, the repetition rate of 300~500 wave / s and 50 waves per second, common mode interference test voltage is 2.5KV, the voltage mode interference for interference test 1kV.
2.12 mechanical properties
The equipment can withstand harsh level response to vibration level 1, vibration endurance test.
The equipment can withstand harsh level response for the 1 stage of impact, impact endurance test.
Device can withstand the rigors of rating for the collision experiment in class 1.
2.13 environmental conditions
Environmental temperature
The working temperature of - 10 ℃ ~ they c
The storage temperature of - 25 ℃ ~ +70 C
Atmospheric pressure 80 ~ 110kPa
Relative humidity of not more than 90%, no condensation
Other conditions: around the device in the air should not take acid, alkali corrosive or explosive substances containing
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