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首页> 外文期刊>IEEE Transactions on Power Electronics >A Load-Power Adaptive Dual Pulse Modulated Current Phasor-Controlled ZVS High-Frequency Resonant Inverter for Induction Heating Applications
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A Load-Power Adaptive Dual Pulse Modulated Current Phasor-Controlled ZVS High-Frequency Resonant Inverter for Induction Heating Applications

机译：用于感应加热应用的负载功率自适应双脉冲调制电流相量控制ZVS高频谐振逆变器

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摘要

A new prototype of an efficiency-improved zero voltage soft-switching (ZVS) high-frequency resonant (HF-R) inverter for induction heating (IH) applications is presented in this paper. By adopting the dual pulse modulation mode (DPMM) that incorporates a submode power regulation scheme such as pulse density modulation, pulse frequency modulation, and asymmetrical pulse width modulation into main one of the resonant current phase angle difference ($theta$) control, the IH load power can be widely regulated under the condition of ZVS, while significantly improving the efficiency in the low output power setting. The essential performances on the output power regulations and ZVS operations with the DPMM schemes are demonstrated in an experiment based on a 1 kW–60 kHz laboratory prototype of the ZVS HF-R inverter. The validity of each DPMM scheme is originally compared and evaluated from a practical point of view.
机译：本文介绍了一种用于感应加热（IH）应用的经效率改进的零电压软开关（ZVS）高频谐振（HF-R）逆变器的新原型。通过采用双脉冲调制模式（DPMM），该模式将诸如脉冲密度调制，脉冲频率调制和不对称脉冲宽度调制之类的子模式功率调节方案纳入谐振电流相角差（$ theta $）控制的主要模式，在ZVS条件下，IH负载功率可以广泛调节，同时在低输出功率设置下显着提高效率。在基于ZVS HF-R逆变器的1 kW–60 kHz实验室原型的实验中，证明了使用DPMM方案的输出功率调节和ZVS操作的基本性能。每种DPMM方案的有效性最初都是从实用的角度进行比较和评估的。

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