Electricity: electrical systems and devices – Safety and protection of systems and devices – Transformer protection
Patent
1978-10-12
1980-11-25
Miller, J. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Transformer protection
361 91, 361 93, 363 21, 363 56, H02M 118, H02M 3335
Patent
active
042361877
ABSTRACT:
A power supply voltage stabilizer comprising a transformer, of which the primary winding is connected to a switching means for controlling power supply to the primary winding. An oscillator circuit is associated with the switching means in order to control on/off operation of the switching means. An abnormal overvoltage and/or overcurrent detection circuit is provided for terminating the oscillation operation of the oscillator circuit when impending overvoltage and/or overcurrent is detected.
REFERENCES:
patent: 3299321 (1967-01-01), Damon
patent: 3386005 (1968-05-01), Roland et al.
patent: 3863125 (1975-01-01), Tollrian et al.
patent: 4005351 (1977-01-01), Blum
patent: 4034280 (1977-07-01), Cronin et al.
patent: 4058758 (1977-11-01), Peterson
patent: 4156273 (1979-05-01), Sato
Horiguchi Michiyuki
Mochizuki Daisuke
Miller J. D.
Schroeder L. C.
Sharp Kabushiki Kaisha
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