Low loss a.c. voltage regulator

Details Low loss a.c. voltage regulator Low loss a.c. voltage regulator

1976-02-11

1977-03-08

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

323 62, 336150, 361 2, G05F 116

Patent

active

040114996

ABSTRACT:
A high speed a.c. voltage regulator comprises a transformer having a plurality of switchable primary windings across which an unregulated voltage is impressed and which control the regulated voltage, and a secondary winding across which the regulated voltage is generated. During a regulation period, which comprises one cycle of the unregulated voltage frequency, peak unregulated input voltage is compared against an upward ramping reference voltage to control a source of clock pulses, where the instantaneous level of the reference voltage is related to the number of clock pulses generated during a regulation period. The number of clock pulses generated during a regulation period controls the switchable windings.

REFERENCES:
patent: 3195038 (1965-07-01), Fry
patent: 3818321 (1974-06-01), Willner et al.
patent: 3970918 (1976-07-01), Cooper

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