Method and apparatus for controlling the circulating current of

Details Method and apparatus for controlling the circulating current of Method and apparatus for controlling the circulating current of

1981-09-24

1983-11-29

Beha, Jr., William H.

Electric power conversion systems

Cascaded or combined, diverse conversions in which the...

Combined phase and frequency conversion

323207, 363161, H02P 1330, H02M 527

Patent

active

044183801

ABSTRACT:
A circulating current of a cycloconverter in each phase is distributed and controlled in such a way that a circulating current in a phase having a large absolute value of a load current is small, and the circulating current of a phase having a small absolute value of the load current is large. Therefore, the reactive power is so compensated that the sum of lagged reactive powers of the phases and advanced reactive power of a phase advancing capacitor cancel out each other.

REFERENCES:
patent: 4009433 (1977-02-01), Moltgen
patent: 4013937 (1977-03-01), Pelly et al.
patent: 4303972 (1981-12-01), Stacey et al.

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