H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 7/155 (2006.01) H05B 41/28 (2006.01) H02M 1/00 (2006.01) H02M 7/538 (2006.01)
Patent
CA 2104737
An inverter device includes an input power-factor improving circuit which causes part of a high frequency output of an inverter circuit to feedback, through an impedance element forming at least part of two oscillatory systems, to a rectified output end of a rectifier, and a high-frequency current supply to the rectifier to be made substantially over entire range of an AC source voltage, and a control means operates the inverter circuit at a fixed frequency for attaining the two oscillatory systems in which the output supplied to a load is substantially equalized, whereby ripple component giving ill influence on the load can be remarkably reduced.
Matsushita Electric Works Ltd.
Oyen Wiggs Green & Mutala Llp
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