JY1000-EV Insulation Monitoring Relay

JY1000-EV series insulation monitor is used to monitor the insulation resistance between high voltage components (0-1000 Vdc. /0-750Vac.) and automobile chassis (earth) of power battery pack (pure electric or hybrid) power supply system in real time.

 

The measuring technology used in this product can monitor the insulation faults of DC side, AC side and motor side; can simultaneously monitor the asymmetric insulation faults of positive and negative poles and symmetrical insulation faults; can monitor the internal insulation faults of battery packs and locate the fault points; can monitor under the condition of short circuit of high voltage DC side; in the case of high intensity interference, such as acceleration, deceleration, energy recovery, the insulation resistance can be reliably monitored. fault information (insulation fault, overvoltage, self-error, etc.) is output through CAN bus interface.

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FEATURES

  • Monitor the positive and negative insulation resistance separately;
  • Monitor the total insulation resistance;
  • report the location of the battery insulation fault;
  • Automatically adapt to existing system Y capacitor CY (CY ≤4μF);
  • High internal resistance up to 10MOeInjected signal amplitude ±15V;
  • Fault response time ≤5s;
  • High and low voltage side isolation voltage 3500 VD.C./2500 Vac.(rms);
  • With CAN Bootloader, upgrade program by CAN.

 

APPLICATIONS

  • Monitor the insulation state;
  • DC floating system (IT system);
  • Measuring battery pack DC voltage;
  • Continuous measurement of insulation resistance of 0~50MΩ;
  • Using the CAN bus interface.

 

Specification

Parameters Value
Power supply 9~36VDC
Input power ≤ 2W
Standard IEC 61851-23 (2014-03):2014-11
DC voltage range 0V~1000V
DC voltage at pile side accuracy ≤2V+0.3%
Vehicle side voltage

measurement range

 0V~1000V
Insulation resistance

measurement range

 0~50MΩ
Insulation monitoring accuracy ±10 %
Bus voltage measurement accuracy 1 %
Insulation resistance

measurement accuracy

 0~100 KΩ, CY≤ 2μF, Bus voltage stability: ±12 KΩ

100 kΩ~1 MΩ, CY≤ 2μF, Bus voltage stability: ±10 %

1 MΩ~50 MΩ, CY =0μF, Bus voltage stability: ±10 %
Insulation resistance

measurement response time

 RISO≥ 500 kΩ, CY =0μF, Bus voltage stability: 4 s

RISO≥ 500 kΩ, CY =0μF, Bus voltage stability: 5 s

RISO=1 MΩ, CY =1μF, Bus voltage stability: 8 s

RISO=1 MΩ, CY =1μF, Bus voltage stability: 12 s
DC equivalent internal resistance Power on: 10.2 MΩ
Amplitude of injection pulse signal ±15 V
High to low voltage

withstanding voltage

 3 500 Vd.c. 2 500 Va.c.(rms)
Off-line pressure test <2mA
Environment Storage: – 40°C ~+85°C

Work: – 40°C ~85°C

Humidity:85%

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