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Working Method of Double-Frequency Mode High Frequency Induction-Heating Power Supply
Author(s): 
Pages: 153-158
Year: Issue:  2
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  IGBT倍频感应加热断续模式;
Abstract: 提出一种使用自关断器件IGBT作为功率开关,利用倍频技术实现感应加热电源高频化的控制方法,分析比较了不同频率比值条件下的电路工作状态,通过改变内外槽路频率差的大小来实现功率的调节和负载阻抗的匹配,得出了电路最适合工作在断续模式的结论.同时详细分析了断态模式下电路工作状况,推导出直流等效电阻的关系.仿真和实验研究验证了该方法的正确性以及技术的可行性.
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