Phase controlled capacitor for series compensation of a high vol

Details Phase controlled capacitor for series compensation of a high vol Phase controlled capacitor for series compensation of a high vol

1993-06-01

1994-10-11

Stephan, Steven L.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

323209, 323218, 307105, 363 39, G05F 170

Patent

active

053550765

ABSTRACT:
A compensating circuit arrangement for a power transmission system for rapidly inserting capacitance into a transmission line for desired portions of cycles of the operating frequency of the system, has first anti-parallel connected thyristors in series with a capacitance and second anti-parallel connected thyristors in parallel with the series connected first thyristors and the capacitance. A control responsive to a variable in the system, and related to system reactance, switches desired thyristors on at desired times during a cycle of operating frequency to introduce controlled amounts of capacitance into the power transmission system.

REFERENCES:
patent: 3529174 (1970-09-01), Smith
patent: 4661763 (1987-04-01), Ari et al.
patent: 4719402 (1988-01-01), Brennen et al.
patent: 4930064 (1990-05-01), Tanaka et al.
patent: 5198746 (1993-03-01), Gyugyi et al.

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