Electricity: power supply or regulation systems – Output level responsive – Using a transformer or inductor as the final control device
Patent
1990-10-16
1992-05-26
Stephan, Steven L.
Electricity: power supply or regulation systems
Output level responsive
Using a transformer or inductor as the final control device
364492, 307 31, G05F 114
Patent
active
051171759
ABSTRACT:
In a alternating current power distribution system utilizing load tap changing (LTC) transformers having selectively actuable tap selector switches operable in response to an LTC control, system including circuitry for providing remotely adjustable bias voltage for combining with the LTC control voltage to remotely control any change of the center operating level of the band.
REFERENCES:
patent: 2747157 (1956-05-01), Pinney
patent: 3238442 (1966-03-01), Holtje
patent: 4323838 (1982-04-01), Pettigrew
patent: 4384247 (1983-05-01), Stewart
patent: 4413189 (1983-11-01), Bottom, Jr.
patent: 4419619 (1983-12-01), Jindrick et al.
patent: 4540934 (1985-09-01), Hubel
patent: 4695737 (1987-09-01), Rabon et al.
Luong Sanh D.
Pettigrew Robert D.
Aubel Leo J.
Davidson Ben
Stephan Steven L.
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