Latest development of soft switching inverter power supply using active clamp scheme with a charge up function for magnetron drive

Author

Yasui, K. ; Kitaizumi, T. ; Bessyo, D. ; Omori, H. ; Terai, H. ; Al, M.A. ; Nakaoka, M.

Author_Institution

Home Appliance & Housing Electron. Res. Lab., Matsushita Electr. Ind. Co. Ltd., Nara, Japan

Volume

3

fYear

2002

fDate

2002

Firstpage

1484

Abstract

The oscillation voltage (Ebm) is an important parameter of the characteristic constants of a magnetron. When Ebm is made high, it serves so as to be able to improve the efficiency of a magnetron. Thus, the magnetron with 7% higher oscillation voltage than the former one is developed by Matsushita Electric Industrial Co.Ltd, In addition to this, the reduced harmonic type AC-DC converter suitable for driving this magnetron is proposed lately. This inverter type converter has the voltage-boost function of an active clamp scheme with soft switching pulse modulation strategy topology. This paper describes a novel type of active clamp AC-DC converter circuit and the operation of this converter which was developed. The operating characteristics of this soft switching converter are evaluated from a practical point of view as compared with the conventional converter

Keywords

AC-DC power convertors; DC-AC power convertors; active filters; harmonic distortion; invertors; magnetrons; power conversion harmonics; power harmonic filters; power supplies to apparatus; pulse modulation; rectifying circuits; switching circuits; active clamp AC-DC converter circuit; active clamp scheme; active power filtering; charge up function; magnetron drive; operating characteristics; oscillation voltage; soft switching inverter power supply; voltage boost operation; AC-DC power converters; Analog-digital conversion; Circuit topology; Clamps; Inverters; Power supplies; Pulse modulation; Pulse width modulation converters; Switching converters; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Conversion Conference, 2002. PCC-Osaka 2002. Proceedings of the

Conference_Location

Osaka

Print_ISBN

0-7803-7156-9

Type

conf

DOI

10.1109/PCC.2002.998193

Filename

998193