Kia Niro: High Voltage Battery Control System / Pre-Charge Relay Description and operation
| Description |
Built into the Power Relay Assembly (PRA), the Pre-Charge Relay starts to charge the capacitor of the inverter soon after ignition "ON", then it goes out when the capacitor has been fully charged.
|
1. High Voltage Power Terminal (-) 2. High Voltage Power Terminal (+) 3. Battery Current Sensor 4. Inverter Power Terminal (-) 5. Inverter Power Terminal (+) 6. Pre-Charge Resistor |
7. Main Relay (+) 8. Pre-Charge Relay 9. Main Relay (-) 10. Power Relay Assembly Connector (Battery current sensor signal input) 11. Power Relay Assembly Connector (Main relay control) |
| [PRA Operation Sequence] |
Pre-Charge Relay Specifications
Specification
Item
Specification
Contact
Rated Voltage (V)
450
Rated Current (A)
10
...
Pre-Charge Relay Schematic diagrams
Circuit Diagram
...
Other information:
Kia Niro 2017 (DE HEV) Service Manual: Pre-Charge Relay Specifications
Specification
Item
Specification
Contact
Rated Voltage (V)
450
Rated Current (A)
10
Coil
Operating Voltage (V)
12
Resistance (Ω) ...
Kia Niro 2017 (DE HEV) Service Manual: Water Temperature Control Assembly Repair procedures
Removal and Installation
Water Temperature Assembly
•
Be sure to read and follow the “General Safety Information and
Caution” before doing any work related with the high voltage sys ...