Performance of Induction Heating Power Supply Using Dual Control Mode Pulse-width Modulation-Pulse-density Modulation High-frequency Inverter
Performance of Induction Heating Power Supply Using Dual Control Mode Pulse-width Modulation-Pulse-density Modulation High-frequency Inverter
This article presents a novel induction heating power supply. The power supply is based on an auxiliary active edge resonant zero-current soft-switching technique. It consists of single-ended push-pull series load resonant inverter. The proposed inverter is cost effective for high-frequency induction heating consumer appliances. The new multi-resonant high-frequency inverter with series load resonance and edge resonance can regulate its high-frequency output power under the constant-frequency zero-current soft-switching commutation principle on the basis of an asymmetrical pulse-width modulation control scheme. The brand-new consumer induction heating product is evaluated and discussed on the basis of simulation and experimental results. To extend zero-current soft-switching operation ranges under a low-power setting as well as improve efficiency, the high-frequency pulse-density modulation strategy is demonstrated for a high-frequency soft-switching inverter. Its practical effectiveness of induction heating power supply is substantially proved from an induction heating application point of view.
Document information
Performance of Induction Heating Power Supply Using Dual Control Mode Pulse-width Modulation-Pulse-density Modulation High-frequency Inverter
2015
Article (Journal)
English
lossless inductor snubbers , Density , high-frequency inverter , zero-current soft-switching , consumer induction heating appliances , Power supply , dual-mode pulse-width modulation and pulse-density modulation control , Switching , Heating , series capacitor compensated resonant load , Electrical equipment , auxiliary switched capacitor snubber , Effectiveness
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