Phase shifter for controlling the power components and power fac

Details Phase shifter for controlling the power components and power fac Phase shifter for controlling the power components and power fac

1975-03-26

1976-09-21

Beha, Jr., William H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307261, 328 13, H02M 527

Patent

active

039821684

ABSTRACT:
A phase shifter circuit generates cycloconverter reference signals for independently and linearly controlling the real power and input power factor or real and reactive power in either polarity. Using the per phase line voltage as a reference phasor, its amplitude and phase are adjusted by a sine-cosine converter, analog multipliers and summing amplifiers. The phase shifter has an almost instantaneous response and can be controlled by polarity reversing dc control signals.

REFERENCES:
patent: 3678367 (1972-07-01), McMurray
patent: 3742336 (1973-06-01), Bedford
patent: 3849719 (1974-11-01), Geiersbach et al.

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