Design of a 10 kW, 500 kHz phase-shift controlled series-resonant inverter for induction heating
- 30 December 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 843-849
- https://doi.org/10.1109/ias.1993.298997
Abstract
A phase-shift-controlled series-resonant inverter is used as power supply for a 10 kW, 500 kHz induction heating system. Analysis of the system for power regulation with zero voltage switching is presented, including the effect of MOSFET output capacitance. A control scheme is proposed to ensure switch turn-on with zero-voltage for all load conditions. The switching frequency is kept as close as possible to resonance to maintain near-minimal circulating energy. A prototype power supply was built and tested at 10 kW.Keywords
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