Resonant inverter having improved control at enablement

Details Resonant inverter having improved control at enablement Resonant inverter having improved control at enablement

1986-06-12

1987-06-02

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 17, 363 56, H02M 3335

Patent

active

046708324

ABSTRACT:
Improved control of a resonant inverter upon enablement from a disabled state is achieved by restricting, to a frequency remote from resonance, the rectangular wave signal applied to the resonant circuit immediately subsequent to enablement, and by controllably sweeping the rectangular wave signal frequency toward resonance until a desired output voltage or current is reached. Closed loop variation of the rectangular wave signal frequency applied to the resonant circuit is employed to maintain a constant output voltage or current once the desired value is reached.

REFERENCES:
patent: 4443844 (1984-04-01), Grace
patent: 4502105 (1985-02-01), Jessee
patent: 4541041 (1985-09-01), Park et al.

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