Technology of Electrical Automatic

GYID Electric Vehicle DC Insulation Monitor

GYID Electric Vehicle DC Insulation Monitor

GYID series insulation monitor is used for real-time monitoring of the insulation resistance between the high voltage components (0~1000Vdc) and the chassis (earth) of the power battery pack (pure electric or hybrid) power supply system.

GYID series insulation monitor is used for real-time monitoring of the insulation resistance between the high voltage components (0~1000Vdc) and the chassis (earth) of the power battery pack (pure electric or hybrid) power supply system.

Features

  • For 0~1000VDC IT system.
  • Measurement of insulation resistance of 0~50MΩ
  • Monitor the insulation faults on the DC side, the AC side and the motor side;
  • Simultaneously monitor the positive and negative asymmetric insulation faults and symmetrical insulation faults;
  • Measuring battery pack voltage
  • Monitor the internal insulation faults of the battery pack and locate the fault point;
  • Monitor in the case of short circuit on the high-voltage DC side;
  • Reliably monitor insulation resistance in high-intensity interference, such as acceleration, deceleration, and energy recovery.
  • CAN bus communication

Specifications

Parameter Condition Typical value
Insulation resistance
output mode
GYID-10D36CAx-x Bus voltage 20~1000 Vd.c. output RISO+ and RISO
Bus voltage 0 ~ 20 Vd.c. Compulsory RISO+ = RISO- = RISO
GYID-10M36CAx-x Bus voltage 0 ~ 1 000 Vd.c. output RISO
Bus voltage
measurement range
0 ~ 1 000 Vd.c.
Bus voltage
measurement accuracy
1%
Power supply range of
auxiliary power supply
9 ~ 36 Vd.c.
Input power ≤ 2W
Insulation resistance
measurement range
0 ~ 50 MΩ
Insulation resistance
measurement accuracy ①
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 =2μF, Bus voltage stability 12 s
DC equivalent internal
resistance
Power on 10.2 MΩ
Amplitude of injection
pulse signal
±15 V
Injection pulse signal
frequency
 It is related to the size of Y capacitor
and insulation resistance
.
self-adaption
High to low voltage
withstanding voltage
3 500 Vd.c.
2 500 Va.c.(rms)
CAN to high voltage
withstanding voltage
3 500 Vd.c.
2 500 Va.c.(rms)
Working temperature -40 ℃ ~+ 85 ℃
Storage temperature -40 ℃ ~+ 85 ℃
Protection level IP55

CY is the system-to-ground Y capacitor

Selectable models

Typical wiring

Downloads

Datasheet of GYID EV IMD

GYID usermanual v1.0