Load driving circuitry with load current sensing

Details Load driving circuitry with load current sensing Load driving circuitry with load current sensing

1982-07-27

1984-11-27

Wong, Peter S.

Electricity: power supply or regulation systems

External or operator controlled

Using a three or more terminal semiconductive device as the...

323350, 323285, 323909, 361153, 361196, H02J 300, H01H 4728

Patent

active

044853424

ABSTRACT:
A testable load driving circuit apparatus includes a solid-state load driver for controlling AC current loads coupled in series with a winding of a saturable core reactor used for sensing the presence or absence of load current through a load current monitor which is coupled to another winding in the reactor. The load driving circuitry may be tested during circuit operation by injecting a signal of insufficient duration to substantially affect the load circuit.

REFERENCES:
patent: 3439229 (1969-04-01), Ingle
patent: 3638074 (1972-01-01), Inouye
patent: 3809998 (1974-05-01), Mansson
patent: 3995177 (1976-11-01), Sirocka et al.
patent: 4027228 (1977-05-01), Collins
patent: 4170740 (1979-09-01), Pernyeszi
patent: 4256979 (1981-03-01), Hendrickson et al.
Arthur D. Evans et al., "High Power Rating Extend V-MOS FET's Domain", Electronics, vol. 51, No. 13, Jun. 22, 1978, pp. 105-112.

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