Electric Vehicle DC Insulation Monitoring Device
This device monitors DC voltage and detects insulation resistance within 0-1000 kOhm. It provides alarm outputs, CAN-BUS communication, and earth fault detection for integration into electric vehicle systems.
Technical Specifications
Overview
Advanced Insulation Monitoring
The JY1000-EV series is a specialized insulation monitoring device designed for real-time safety assessment in high-voltage electric vehicle and energy storage systems. It provides reliable monitoring of insulation resistance for both DC floating systems up to 1000V and AC floating systems up to 750V, even under complex conditions like acceleration, braking, and energy recovery. With built-in CAN bus communication and automatic Y-capacitor adaptation, it ensures seamless integration and accurate fault detection for critical high-voltage infrastructure.
Technical Specifications
IP Protection
- DC Measurement Range
- 1000 VDC
- AC Measurement Range
- 750 VAC
- Insulation Resistance Range
- 0 - 50 MΩ
- Power Supply
- 9-36 VDC
- Input Power Consumption
- 2 W
- Weight
- 0.5 kg
Performance Metrics
Measurement Accuracy
Response Time Table
| Resistance (RISO) | Capacitance (CY) | Response Time |
|---|---|---|
| ≥ 500 kΩ | 0 μF | 4s |
| < 500 kΩ | 0 μF | 5s |
| 1 MΩ | 1 μF | 8s |
| 1 MΩ | 2 μF | 12s |
Environmental & Interface
- Operating Temperature
- -40 ℃ to +85 ℃
- Communication Interface
- CAN bus
- Isolation Withstand Voltage
- 3500VDC, 2500VAC (RMS)
Applications
Suitable Applications
- Electric vehicle high voltage power battery systems
- Hybrid electric vehicle high voltage systems
- Hydrogen energy vehicle high voltage systems
- Energy storage systems
- General DC/AC floating systems
