Electronic step down (220/110 V) transformer using a new quantum series resonant converter

Author

Huy, D.-Y. ; Cho, Gyu-Hyeong

Author_Institution

Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea

Volume

8

Issue

4

fYear

1993

fDate

10/1/1993 12:00:00 AM

Firstpage

439

Lastpage

444

Abstract

A novel quantum series resonant converter (QSRC) topology for a pure sinewave 60 Hz AC chopper is proposed. It has three bidirectional switches and operates at high switching frequency with low switching loss. Bidirectional power flow is possible, and the switches can operate in either zero current switching (ZCS) mode or zero voltage switching (ZVS) mode by slight modification. The QSRC is thought to be suitable for such a system with fixed voltage conversion ratio. The proposed converter is applied to an electronic 220/110 V transformer. Detailed analyses and experimental results for 1 kVA are presented

Keywords

choppers (circuits); power convertors; power electronics; power transformers; 1 kVA; 110 V; 220 V; 60 Hz; bidirectional power flow; bidirectional switches; electronic step down transformer; fixed voltage conversion ratio; high switching frequency; low switching loss; pure sinewave AC chopper; quantum series resonant converter; zero current switching mode; zero voltage switching mode; Choppers; Iron; Propagation losses; Resonance; Switches; Switching converters; Switching frequency; Transformer cores; Zero current switching; Zero voltage switching;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/63.261014

Filename

261014