Circuit arrangement for the compensation of reactive power in an

Details Circuit arrangement for the compensation of reactive power in an Circuit arrangement for the compensation of reactive power in an

1983-11-01

1985-11-26

Wong, Peter S.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

361 13, H02J 318

Patent

active

045556580

ABSTRACT:
A compensation circuit for reactive power balance includes a capacitor, inductor and rectifier connected in series to a power system. In order to protect the rectifier from misfires of the thyristors, two discharge devices are connected in parallel to the series circuit from the common points in the series circuit. This protects the thyristors in case of a double misfire.

REFERENCES:
patent: 3731183 (1973-05-01), Johnson et al.
patent: 4292545 (1981-09-01), Hingorani
patent: 4470005 (1984-09-01), Gyugyi
P. Wetzel: "Thyristor Protection with Semiconductors--Economical and Safe", BBC-Nachrichten, vol. 59, No. 3/4, 1977, pp. 152-158.
H. Frank: "Thyristor-Controlled Shunt Compensation in Power Networks", ASEA Journal, vol. 54, No. 5/6, 1981, pp. 121-127.

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