MISC - HIRAKI Eiji

New transformer-assisted resonant DC link topology and its application for three-phase voltage-FED ZVS-PWM sinewave inverter using instantaneous space voltage vector modulation

YONEMORI Hideto, YASUTSUNE Hidenobu, HIRAKI Eiji, IZUMI Teruyuki, NAKAOKA Mutsuo

Memoirs of the Faculty of Engineering,Yamaguchi University   45 ( 2 )   p321 - 329   1995.3

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Language：Japanese   Publisher：Yamaguchi University  

The newly-proposed Resonant DC Link (RDCL) topology operating under the high-frequency trans-former-assisted zero-voltage soft switching commutation principle is presented in this paper. This basic circuit operating principle and the optimum design procedure for Transformer-Assisted Quasi-Resonant DC Link (TQRDCL) which excludes its load current sensing-based predictive feedback control loop and the DC voltage-clamped PWM function are considered as compared with the conventional RDCL circuit topologies. The performance of three-phase ZVS-PWM inverter system is discussed and evaluated in terms of the comparative study between TQRDCL three-phase soft-switching PWM type and conven-tional three-phase hard-switching PWM inverter systems on the basis of the simulating and experimental results.

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Other Link： http://www.lib.yamaguchi-u.ac.jp/yunoca/handle/KJ00000157014