Switch-off method for a three-phase reactive power compensator w

Details Switch-off method for a three-phase reactive power compensator w Switch-off method for a three-phase reactive power compensator w

1995-12-27

1997-11-04

Wong, Peter S.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

G05F 170

Patent

active

056843895

ABSTRACT:
A switch-off method for a three-phase solid state reactive power compensator for a rotary three phase power system has first and second thyristor valves receiving respective first and second firing signals, and three capacitors. The firing signals are suppressed to a point in time for first turning off the second firing thyristor valve in immediately successive phases in direction of rotation of the three-phase power system.

REFERENCES:
patent: 4356441 (1982-10-01), Putman et al.
patent: 4571535 (1986-02-01), Gyugyi
patent: 5434497 (1995-07-01), Larsen

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