Inverter device for automobile

Details Inverter device for automobile Inverter device for automobile

2005-05-17

2008-10-28

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

C324S509000, C324S522000

Reexamination Certificate

active

07443643

ABSTRACT:
An object is to provide an inverter device for an automobile capable of detecting a ground fault with simple circuitry, and in summary, the inverter device has an inverter (inverter module) which generates an AC output from a battery loaded on a vehicle body to drive a motor, and the inverter device comprises a ground fault detection circuit connected between a negative line of the battery and the vehicle body, and a controller, wherein the ground fault detection circuit includes a serial circuit of a resistor element and a condenser element or a serial circuit of a plurality of resistor elements, and a potential at a connection point of the elements is input to the controller to detect a ground fault.

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