Device for the power supply of a non-linear load, especially a m

Details Device for the power supply of a non-linear load, especially a m Device for the power supply of a non-linear load, especially a m

1998-12-03

2000-04-11

Walberg, Teresa

Electric heating

Microwave heating

With control system

236 78D, H05B 666

Patent

active

060490713

ABSTRACT:
A power supply device for a non-linear load, especially a magnetron for microwave ovens, includes a resonant transformer. Using a fuzzy logic management unit, a level of a low voltage signal on the primary side of the transformer, a level of high voltage signal on the secondary side of the transformer, and a signal corresponding to the ambient temperature of the transformer are taken into account for the generation of a parameter for a control signal for controlling a switch positioned at the primary winding of the transformer. The power supply device makes it possible to reduce the size of the resonant transformer.

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Liu J. et al., "A New Microwave Power Source and Its Application", 1996 IEEE MTT-S International Microwave Symposium Digest, San Francisco, Jun. 17-21, 1996, vol. 1, pp. 61-63.

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