Electricity: power supply or regulation systems – Self-regulating – Using a transformer or inductor as the final control device
Patent
1985-03-25
1986-12-23
Salce, Patrick R.
Electricity: power supply or regulation systems
Self-regulating
Using a transformer or inductor as the final control device
323355, 363 40, 363 75, 363 90, 336184, G05F 170
Patent
active
046314717
ABSTRACT:
An inductor structure is combined with a ferroresonant regulator as a filter inductor in one instance, and as a regulating inductor in another. In one example, a ferroresonant voltage regulator includes a pair of shunt filters at its output to reduce the low order odd harmonic content of the AC output. The filtering arrangement includes two LC shunt filters having their independent inductor windings wound on a single magnetic core unit. Auxiliary windings coupled to each of the inductor windings are placed in series with the output to buck any remaining harmonics.
In a second instance, independent regulating inductors in a multiphase ferroresonant regulator are also realized on a single magnetic structure.
REFERENCES:
patent: Re27916 (1974-02-01), Kakalec
patent: 2694177 (1954-11-01), Sola
patent: 3361956 (1968-01-01), Sola
patent: 4010381 (1977-03-01), Fickenscher
patent: 4045717 (1977-08-01), Fallon et al.
patent: 4156175 (1979-05-01), Nissan
patent: 4366532 (1982-12-01), Rosa et al.
Fouad Fakhry A.
Kakalec Robert J.
Menkes Henry E.
AT&T Bell Laboratories
Ault Anita M.
Salce Patrick R.
Steinmetz Alfred G.
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