Apparatus for non-contacting feeding of high frequency power

Details Apparatus for non-contacting feeding of high frequency power Apparatus for non-contacting feeding of high frequency power

1994-10-06

1997-01-07

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 91, 363 98, 363136, H02M 3335

Patent

active

055923674

ABSTRACT:
The apparatus for non-contacting feeding of a high frequency power according to the present invention comprises a double voltage full-wave rectifier circuit which converts an AC input into a DC output, Royer oscillation circuit consisting of FETs and which receives the DC output from the voltage double full-wave rectifier circuit and provides a high frequency oscillation, the gate windings ofhe FETs being the second winding of a saturable circuit, a starting gate bias stabilization circuit for the Royer oscillation circuit, and a main transformer which delivers a high frequency power produced in the Royer oscillation circuit, through the primary winding of the oscillation-use saturable transformer.

REFERENCES:
patent: 4194238 (1980-03-01), Masaki
patent: 4682082 (1987-07-01), MacAskill et al.
patent: 4958268 (1990-09-01), Nagagata et al.
patent: 5225972 (1993-07-01), Sakamoto
"A Novel Converter for Non-Contact Charging with Electromagnetic Coupling", Hiroshi Sakamoto et al, IEEE Transactions on Magnetics, vol. 29, No. 6, pp. 3228-3230, Nov. 1993.

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