Short prevention control apparatus of air conditioner for electr

Details Short prevention control apparatus of air conditioner for electr Short prevention control apparatus of air conditioner for electr

1998-10-13

2000-08-01

Paladini, Albert W.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 91, 307 101, 361 22, 361 23, H02H 708

Patent

active

06097107&

ABSTRACT:
A short prevention control apparatus of an air conditioner for electric vehicles comprises a circuit breaker for a high voltage power source used to drive a compressor of the air conditioner, a drive circuit for driving a compressor motor and a short detecting circuit connected between a coupling wire and ground, wherein the wire connects the circuit breaker and the drive circuit. The short detecting circuit detects a short at a position between ground and a polar bus terminal of the drive circuit or an internal terminal of the compressor motor, when supply of a high voltage direct current is interrupted by the circuit breaker. A short in the air compressor side may be detected and determined without affecting the running of the electric vehicle.

REFERENCES:
patent: 5275012 (1994-01-01), Dage et al.
patent: 5408842 (1995-04-01), Goto et al.
patent: 5418676 (1995-05-01), Murakami et al.
patent: 5684463 (1997-11-01), Diercks et al.

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