Title :
A MCT-based zero voltage switching PWM inverter
Author :
Shireen, Wajiha ; Andrews, C.C. ; Chepin, J.F. ; Arefeen, M.S.
Author_Institution :
Dept. of Electr.-Electron. Technol., Houston Univ., TX, USA
Abstract :
This paper presents a MOS-controlled thyristor (MCT) based zero voltage switching (ZVS) scheme for PWM inverters. The proposed scheme utilizes a front end DC voltage notching circuit consisting of auxiliary switches and resonant components. This allows the DC link voltage to be brought to zero on command. MCTs are used as auxiliary devices since MCTs were designed for enhanced dynamic performance under ZVS conditions. A detailed analysis of the circuit operation is presented. The feasibility of the proposed scheme is experimentally verified on an inverter
Keywords :
DC-AC power convertors; MOS-controlled thyristors; PWM invertors; resonant power convertors; switching circuits; thyristor convertors; DC/AC power conversion; MOS-controlled thyristor; PWM inverters; ZVS; auxiliary switches; circuit operation; dynamic performance; front end DC voltage notching circuit; resonant components; zero voltage switching; MOSFETs; Power semiconductor switches; Pulse width modulation inverters; RLC circuits; Resonance; Switching circuits; Switching converters; Switching loss; Thyristors; Zero voltage switching;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 1997. APEC '97 Conference Proceedings 1997., Twelfth Annual
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-3704-2
DOI :
10.1109/APEC.1997.575731
