High frequency switching circuit having preselected parameters t

Details High frequency switching circuit having preselected parameters t High frequency switching circuit having preselected parameters t

1980-03-11

1982-03-02

Beha, Jr., William H.

Electric power conversion systems

Current conversion

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

323222, 330297, H02P 1322

Patent

active

043181643

ABSTRACT:
A high frequency switching circuit in which, to reduce power dissipation of a switching element, the characteristic impedance defined by the inductance of a transformer connected in series with the switching element and the capacitance of a capacitor connected in parallel with the switching element, the ratio of the input voltage and an output voltage, and the ratio of ON time and a switching period T of the switching element are each selected within a given range. Alternatively, a ratio pertaining to a leakage inductance of the transformer and an inductance of an additional inductor, and a ratio pertaining to the output and input voltages are selected to satisfy a predetermined relation and the characteristic impedance is selected within a given range.

REFERENCES:
patent: 4218660 (1980-08-01), Carver
Class E-A New Class of High Efficiency Tuned Single Ended Switching Power Amplifiers, Sokal et al., IEEE Journal of Solid State Circuits, vol. SC 10, No. 3, 6/75.
A New Optimum Topology Switching DC-TO-DC Converter, Cuk et al., IEEE PESC Record (No. 77 CH 1213-8 AES), 6/77.
Japanese Patent Disclosure 47-41118, Beatus (transliterated) filed 4/20/72.

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