Secondary arc extinction device

Details Secondary arc extinction device Secondary arc extinction device

1982-07-21

1984-10-23

Wong, Peter S.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

361 47, 361 66, H02J 318, G05F 170

Patent

active

044790848

ABSTRACT:
A secondary arc extinction device is disclosed for an electrical power system which includes a bus bar, an electrical power line connected to the bus bar and a protective relay device. A first reactance is provided with each phase so that one terminal of the first reactance is connected to a respective phase of the power line. A transformer which has a primary winding connected between the second terminal of the first reactance and ground is further provided and a second reactance is connected to the secondary winding of the transformer. A control device provides for control of the second reactance in response to a signal from the protective relay.

REFERENCES:
patent: 3932808 (1976-01-01), Frank
patent: 4096431 (1978-06-01), Hammarlund
patent: 4314301 (1982-02-01), Kondow et al.
"Soviet Inventions Illustrated", Week C 30, Sep. 3, 1980, Sec. X 13 & SU A - 702 447.
"Soviet Inventions Illustrated", Week C 15, May 21, 1980, Secs. R 51, R 53 & SU - A - 672 700.
EPRI/IREQ, pp. 348-359, Sep. 19-21, 1979, Quebec, Canada.

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