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: Components and components location
Component Location 1. Virtual engine sound system unit 2. Virtual engine sound speaker ...

Kia Niro (DE HEV) Owners Manual: Using a cellular phone or a twoway radio
When a cellular phone is used inside the vehicle, noise may be produced from the audio system. This does not mean that something is wrong with the audio equipment. In such a case, use the cellular phone at a place as far as possible from the audio equipment. CAUTION When using a communicatio ...

© 2016-2024 www.kniro.net