Series capacitor equipment

Details Series capacitor equipment Series capacitor equipment

1988-05-04

1989-05-09

Salce, Patrick R.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

323352, 323364, G05F 170

Patent

active

048292290

ABSTRACT:
The reactance of series capacitor equipment connected to an electrical transmission power line can be changed during operation with the aid of a transformer on-load tap-changer which switches in or out a variable number of capacitor modules. The tap-changer comprises a tap selector, the contacts of which in currentless state can be moved between the capacitor steps, and a diverter switch with a plurality of sequentially operating contact members and with resistors arranged to prevent direct short-circuiting of the capacitor steps. The tap-changer can be at line potential and operated remotely by contact-moving means at ground potential.

REFERENCES:
ASEA Oanogket ZF22-007E, published by ASEA Brown Boveri AB, Vasteras, Sweden, 1985.
IEE Proc., vol. 128, Pt. c, No. 6, Nov. 1981: "EHV Series Capacitor Equipment Protection and Control" (N. T. Fahlin).

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