Multi-loop control system for an ac/dc converter employing mode switching
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United States of America Patent
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Dec 10, 1985
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N/A
app pub date -
Jan 31, 1984
filing date -
Feb 9, 1983
priority date (Note) -
Expired
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Abstract
A multi-loop control system for convertors of the kind used in h.v.d.c. transmission and industrial applications. The invention consists in a control circuit which effects transfer between two or more control loops, e.g. a constant-current loop and a constant .alpha. loop, in a smooth and precise manner, without extra smoothing lags, even in the presence of ripple in the controlled quantities.
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