Kia Soul EV Owner's Manual Quiz
Electric Vehicle Battery System

Power Relay Assembly (PRA) Description and Operation

In this manual: Electric Vehicle Battery System
General Information — 17Maintenance — 17Drive Shaft and Axle — 15Suspension System — 36Steering — 24Restraints — 48Brake System — 37Body (Interior and Exterior) — 207Body Electrical System — 203Heating, Ventilation, and Air Conditioning — 80Electric Vehicle Battery System — 115
~1min read

Description

The Power Relay Assembly (PRA) is installed in the high voltage battery pack assembly and consists of main relays that control high voltage, a precharge relay, a precharge resistor, and a battery current sensor. The PRA controls the 360 V high voltage between the high voltage battery and the high voltage junction box by control signals from the BMS ECU.

Operation

Test yourself

A quick Kia Soul EV Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.