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This study aims to elucidate industrial performance of a recently developed SiC power module constituting of a pair of switches (two in one type, maximum rating 1200V/120A) for two types of high frequency inverters. They operates at 100kHz for induction heating applications. Firstly, a conventional voltage fed full-bridge type high frequency inverter bread board is prepared feeding 3kW output power...
This paper presents an improved single-stage type single-ended push pull (SEPP) high frequency inverter for induction heating applications. It unifies a boost-type PFC power converter and a ZVS-SEPP high frequency inverter operating at a fixed frequency. On the other hand, conventional dual stage half-bridge high frequency inverters have PFC converters at the preceding stage followed by SEPP high...
A new prototype of a secondary-side phase shifted (SPS) soft switching PWM dc-dc converter suitable for electric vehicle (EV) battery charging systems is presented in this paper. In the proposed dc-dc converter, soft switching commutations are achievable from full load to no load by utilizing parasitic inductances of the high frequency (HF) transformer. Beside that, no circulating current in both...
This paper presents a newly-developed soft switching PWM boost dc-dc converter in continuous conduction mode (CCM). The soft switching boost dc-dc converter consists of an edge-resonant switched capacitor (ER-SWC) cell, providing the wide-range soft commutations for all the switching power devices. The voltage stress inherent to the CCM scheme can be reduced by employing a lossless auxiliary circuit...
This paper presents a new soft switching PWM non-isolated boost DC-DC converter embedding an edge resonant switched capacitor (ER-SWC) modular. The soft switching PWM boost DC-DC converter treated here can achieve a high frequency zero current switching (ZCS) turn-on and zero voltage switching (ZVS) turn-off operations in active switches and minimize a reverse recovering current in the freewheeling...
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