Load compensating gain control for a series resonant inverter

Details Load compensating gain control for a series resonant inverter Load compensating gain control for a series resonant inverter

1989-08-14

1990-11-06

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 98, 363132, H02M 3335

Patent

active

049690760

ABSTRACT:
A series resonant inverter is controlled to maintain a substantially constant gain and a substantially constant bandwidth, thereby ensuring stable operation under all operating conditions. A load compensating gain control circuit generates a unique gain or attenuation factor for each unique set of output load conditions. To maintain constant gain, inverter gain for each set of operating conditions is multiplied by the corresponding gain or attenuation factor. Bandwidth is increased (or decreased) and maintained constant to ensure stable operation.

REFERENCES:
patent: 4504895 (1985-03-01), Steigerwald
patent: 4541041 (1985-09-01), Park et al.
patent: 4670832 (1987-06-01), Park
patent: 4694383 (1987-09-01), Nguyen et al.
patent: 4855888 (1989-08-01), Henze et al.

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