Control for VAR generator with deadband

Electricity: power supply or regulation systems – For reactive power control – Using impedance

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323210, G05F 170

Patent

active

043530249

ABSTRACT:
A VAR generator of the switched capacitor controlled reactor type is shown utilized for a power transmission system. The control arrangement is such that the thyristor controlled capacitor and reactor banks are kept switched out for small terminal voltage variations which can be tolerated without compensation in order to minimize standby or no load losses in the region of the nominal voltage of the transmission system. Outside of this region VAR compensation is provided.

REFERENCES:
patent: 3936727 (1976-02-01), Kelley
patent: 3999117 (1976-12-01), Gyugyi et al.
patent: 4055795 (1977-10-01), Mathieu
patent: 4204150 (1980-05-01), Mathieu
patent: 4234843 (1980-11-01), Gyugyi et al.
patent: 4307331 (1981-12-01), Gyugyi

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