GYID Electric Vehicle DC insulation monitoring device,to monitor the positive and negative
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GYID Electric Vehicle DC insulation monitoring device,to monitor the positive and negative
Description
GYID series insulation monitor is used to monitor the insulation resistance of 0~1000Vd.c. DC floating system and 0~750Va.c. AC floating system to ground in real time; measure the insulation fault of equipment shell to ground, high voltage to shell, etc.
In the DC system, the insulation resistance of the positive pole and the negative pole of the DC system to the ground can be independently measured. In specific electric vehicle applications, insulation resistance can also be reliably monitored under strong interference or complex driving conditions, such as acceleration/deceleration, braking, and energy recovery.
In the AC system, it can suppress the interference of voltage high-frequency harmonics, and accurately measure the insulation resistance of the entire AC system to ground.
Features
l DC system: monitor the ground insulation of the 0~1000Vd.c. DC floating system
l AC system: Monitor the ground insulation of 0~750Va.c. AC floating system
l Passive equipment: monitor the insulation status between the equipment and the housing or between the equipment and the ground
l When the bus voltage is 0, the insulation resistance of the system to ground can still be reliably monitored
l Measuring range 0~50 MΩ, when it exceeds 50 MΩ, the default output is 50 MΩ
l Automatic adaptation system Y capacitor CY (CY≤4 μF)
l CAN bus interface
l Built-in high-voltage relay can disconnect the physical connection between the terminal (DC+/DC-) of the insulation monitor and the system under test
Application
l Power battery high voltage system of electric vehicle
l Hybrid electric vehicle high voltage system
l Hydrogen energy vehicle high voltage system
l Energy storage system
l Other DC floating system and AC floating system
Specification
Accuracy | 1% |
Measurement range | 0-1000VDC |
0-750VAC | |
Power supply | 9-36VDC |
Input power | ≤ 2W |
Insulation resistance | 0 ~ 50 MΩ (Default is 50 MΩ when over 50 MΩ) |
Insulation accuracy | ±12 kΩ (@ 0~100 kΩ, CY≤ 2μF) |
±10 % (@100 kΩ~1 MΩ, CY≤ 2μF) | |
±10 % (@1MΩ~50MΩ, CY≤ 2μF) | |
Response time | 4s (@RISO≥ 500 kΩ, CY =0μF) |
5s (@RISO<500 kΩ, CY =0μF) | |
8s (@RISO=1MΩ, CY =1μF) | |
12s (@RISO=1MΩ, CY =2μF) | |
High voltage input resistance | Positive 5 MΩ,Negative 1 MΩ to ground (@Internal high voltage relay closed) |
Positive& negative poles to ground over 500 MΩ (@Internal high voltage open) | |
Pulse signal amplitude | ±15 V |
Pulse signal frequency | Adaptive |
Isolation withstand voltage | 3500VDC, 2500VAC (RMS) |
Operating temperature | -40 ℃~＋85 ℃ |
Storage temperature | -40 ℃~＋85 ℃ |
IP protection | IP 55 |
Weight | 0.5kg (Aluminum package) |
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