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These days the gold price is shooting up which has led to increase in the recycling process. The melting is the first stage of recycling. In the melting applications induction heating reduces heat loss while maintaining a more convenient working environment. Such systems are described in the literature, but no commercial design is available. The main objective of the research work is to propose, design...
This paper presents single stage series load resonant ZVS-PWM high frequency inverter which operates one diode conduction mode and critical ZCS PFC rectifier for induction heating (IH) applications. This single stage inverter is composed of a single phase PFC rectifier operating at one diode conduction mode and asymmetrical ZVS-PWM high frequency resonant inverter without the interlink bulky electrolytic...
When two or more inductive heating coils are near and their sources are operating with different switching frequency, low-frequency noise occurs. In order to avoid such noises, this paper presents the constant frequency shift-phase power regulation for series resonant inverters. Leading leg switches always work at ZVS. Lagging leg switches work at ZCS when shift phase angle is bigger than load impedance...
This paper presents a high-efficiency-high power density one stage ZVS-PWM single-ended push-pull (SEPP) high frequency inverter with new PFC functional scheme. This high-frequency resonant series load resonant inverter with lossless snubbing capacitors is composed of a passive PFC converter operating at one diode conducting bridge circuit and asymmetrical ZVS-PWM high frequency resonant direct inverter...
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