Control logic for an inverter ripple controlled power system

Electric power conversion systems – Current conversion – Using semiconductor-type converter

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307 3, 340310A, H02M 7515

Patent

active

042153948

ABSTRACT:
A load management system utilizing a three phase solid state inverter for applying a ripple signal on a high voltage line with the system having means (a) for conducting backfeed current from the line through a portion of the inverter, (b) for balancing the current and phase distribution through an isolation transformer, (c) for selectively sequentially connecting and disconnecting the transmission of the ripple signal from the high voltage line, (d) for providing a wide angle of conduction to assure conduction of the solid state devices over a wide time period to avoid current imbalance and core saturation.

REFERENCES:
patent: 3207974 (1965-09-01), McMurray
patent: 3710230 (1973-01-01), VeNard
patent: 4021797 (1977-05-01), Hofmeister
patent: 4024528 (1977-05-01), Boggs et al.
patent: 4060735 (1977-11-01), Pascucci et al.
patent: 4130861 (1978-12-01), LaForest

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