Resettable power limiting apparatus

Details Resettable power limiting apparatus Resettable power limiting apparatus

1982-07-01

1984-12-11

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Phase controlled switching using electronic tube or a three...

323323, 323241, 323300, 307 35, 307 39, 307 48, H02J 1300

Patent

active

044881061

ABSTRACT:
This apparatus can limit the power by limiting the duty cycle of current carried by a pair of lines. These lines intermittently conduct electrical power. A clock can provide a periodic timing signal. This clock is resettable to change the phasing of the timing signal. A switch serially coupled to at least one of the lines can periodically interrupt current of the lines with a period proportional to the period of the periodic timing signal. A resetter coupled to at least one of the lines can reset the clock in response to the average magnitude of voltage across the lines increasing by a predetermined extent.

REFERENCES:
patent: 3296452 (1967-01-01), Williams
patent: 3659114 (1972-04-01), Polenz et al.
patent: 4213058 (1980-07-01), Townsend
patent: 4216384 (1980-08-01), Hurley

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