Self-commutated inverter is selectively decoupled from an AC gri

Details Self-commutated inverter is selectively decoupled from an AC gri Self-commutated inverter is selectively decoupled from an AC gri

1986-09-25

1987-06-30

Beha, Jr., William H.

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

307 66, 307 87, H02J 340

Patent

active

046773096

ABSTRACT:
In a self-commutated power converter, an error signal input of an error amplifier in an active or reactive power control circuit is detected, and when the detected error signal input exceeds a predetermined value, a circuit breaker, which couples the power converter to an AC power system, is opened. Then, any malfunctioning of the power control system or power fault of the AC power system is detected in accordance with the value of the detection voltage of the AC power system.

REFERENCES:
patent: 3932764 (1976-01-01), Corey
patent: 4473756 (1984-09-01), Brigden

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