Kia Soul EV: High Voltage Battery Control System / Pre-charge Relay Description and Operation
Kia Soul EV (PS EV) 2015-2020 Service Manual / EV Battery System / High Voltage Battery Control System / Pre-charge Relay Description and Operation
| Description |
Installed in the Power Relay Assembly (PRA), the Pre-charge
Relay connects high voltage circuit when pre-charging the inverter
capacitor.
When the IG is ON, the current coming through the pre-charge
relay and the resistor charges the capacitor in the inverter and when
the capacitor is fully charged, the pre-charge relay turns OFF.
[With High Voltage Battery Heater System]
| 1. Main Relay (+) 2. Main Relay (-) 3. Pre Charge Relay 4. Pre Charge Resistor | 5. Battery Current Sensor 6. High Voltage Battery Heater Relay 7. High Voltage Battery Heater Fuse |
[Without High Voltage Battery Heater System]
| 1. Main Relay (+) 2. Main Relay (-) 3. Pre Charge Relay | 4. Pre Charge Resistor 5. Battery Current Sensor |
| Operation |
Pre-charge Relay Specifications
Specification
ItemSpecificationONRated Voltage(V)450Rated Ampere(A)10Voltage Drop(V)Less than 0.5 (10A)CoilOperation Voltage(V)12Resistance(?)104.4 ~ 127.6 (20°C)
ItemSpecificationRemarkM ...
Pre-charge Relay Schematic Diagrams
System Circuit Diagram
With High Voltage Battery Heater System
Without High Voltage Battery Heater System
Circuit Diagram
Without High Voltage Battery Heater System
With High Voltage Batt ...
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