Development of high efficiency control method for common leg converter using golden section method

Author

Ando, Itaru ; Toyoshima, Fumiydu

Author_Institution

Akita Nat. Coll. of Technol., Japan

Volume

1

fYear

2004

fDate

2-6 Nov. 2004

Firstpage

297

Abstract

This paper describes about development of high efficiency control method for the common leg converter using golden section method. The characteristics of this system are obtained as follows. (1) This system realizes high efficiency, small size, lightweight and low cost, because the adopted conversion circuit is consisted of the common leg type single phase converter/inverter. (2) The converter/inverter system achieves to high efficiency based on the current and voltage follow up control with golden section method in real time. Golden section method is calculated to optimal output voltage of the every legs for get maximum efficiency under the calculated switching and the conducting losses and the desired output voltage of converter/inverter. As a result, it is not only obtained the excellent performances such as 99% power factor, over 94% efficiency, sinusoidal source current and output line voltage but also applied to the three phase system and the active filter.

Keywords

active filters; cost reduction; electric current control; invertors; losses; power convertors; power factor; voltage control; active filter; common leg converter; conducting losses; conversion circuit; cost reduction; current control; efficiency control method; golden section method; inverter; power factor; switching losses; three phase system; voltage control; Circuits; Control systems; Costs; Inverters; Leg; Lighting control; Real time systems; Size control; Switching converters; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics Society, 2004. IECON 2004. 30th Annual Conference of IEEE

Print_ISBN

0-7803-8730-9

Type

conf

DOI

10.1109/IECON.2004.1433326

Filename

1433326