Electrical circuit, particularly an electronic power circuit for

Details Electrical circuit, particularly an electronic power circuit for Electrical circuit, particularly an electronic power circuit for

1989-06-29

1992-12-22

Wysocki, A. Jonathan

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361 90, 340660, H02H 320

Patent

active

051738325

ABSTRACT:
During the piloting of the load, the current intensity and the voltage present in the load are monitored by the comparison of their values with a current threshold and with a window of permissible voltage values. When the voltage is outside the window of permissible values and/or the current falls below its threshold, a fault message is generated and the nature of the fault (open load, short circuit to earth, short circuit to the supply voltage) is also identified by the emission of a corresponding signal of a diagnostic nature. The identification of the faulty stage or stages is also provided for in the case of a circuit including several stages in parallel.

REFERENCES:
patent: 3317794 (1967-05-01), Kotheimer
patent: 4276591 (1981-06-01), Quick
patent: 4350956 (1982-09-01), DePuy
patent: 4589401 (1986-05-01), Karim et al.
patent: 4618908 (1986-10-01), Anttila
patent: 4667186 (1987-05-01), Bliven
patent: 4736267 (1988-04-01), Karlmann et al.
patent: 4803592 (1989-02-01), Ashley
patent: 4811136 (1989-03-01), Jones et al.
patent: 4835651 (1989-05-01), Li et al.
patent: 4979066 (1990-12-01), Kawata et al.

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