Fast current measurement apparatus for static VAR generator comp

Details Fast current measurement apparatus for static VAR generator comp Fast current measurement apparatus for static VAR generator comp

1974-12-23

1976-12-28

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

H02J 318

Patent

active

040004554

ABSTRACT:
A control circuit for a static VAR generator measures load current on consecutive half cycles. This information together with voltage information is used to determine the firing angles of the VAR generator thyristors for providing the required compensator currents. The total computation time for determining the firing angles in each succeeding half cycle takes no longer than the length of time of the last complete half cycle immediately preceding the firing of the thyristor.

REFERENCES:
patent: 3400326 (1968-09-01), Zhukov et al.
patent: 3450983 (1969-06-01), Koppelmann et al.
patent: 3754184 (1973-08-01), Stone
patent: 3829759 (1974-08-01), Thorborg

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