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Electric Pre-Charge Relay

Pre-charge relay plays a very crucial role in protecting critical electronics. Especially, it is an essential because it protects electronic devices and ensures safe operation in electric vehicles that use high voltage for high efficiency. It also prevents the damage on device by the high electric current (In-Rush current) that may occur during the initial start-up phase of the High Voltage DC (HVDC) system. Recently, it is becoming more important to solve the problems caused by frequent on/off of the system and to improve the efficiency of electric vehicles.