串联谐振技术在商用电磁炉上的应用设计

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摘要本文从实际应用出发,针对商用电磁炉的电路拓扑,采用串联谐振方式详细分析了其不同的工作状态,得出逆变器功率器件的最佳开关过程,并从理论上计算出了频率和相角的关系,通过“脉冲宽度调功方式”与“锁相环控制”相结合的方式实现功率调节。在此基础上,搭建了一台串联谐振逆变器试验样机,进行了试验验证。验证结果表明,本设计有较好的应用前景。

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	王家校
	章妍雯

关键词 ：逆变器, 感应加热, 串联谐振, 锁相控制, 商用电磁炉

Abstract：Based on the practical application, the article uses a series resonance method for the circuit topology of the commercial induction cooker, analyzes its different working status, and obtained the optimal switching process of the inverter power devices, theoretically calculated the relation between frequency and phase angle. The power regulation is achieved by a combination of “pulse width modulation (PWM) mode” and “phase-locked loop control”. Based on this, a series resonant inverter test prototype is built and verified the conclusion by experiments. It has a strong application background to solve practical problems.

Key words： inverter induction heating series resonant phase-locked control commercial induction cooker

收稿日期: 2019-07-16 出版日期: 2020-02-27

作者简介: 王家校（1981-）,男,浙江杭州人,硕士研究生,高级工程师,主要从事电力电子、EMC及嵌入式控制系统方向的研究工作。

引用本文:

王家校, 章妍雯. 串联谐振技术在商用电磁炉上的应用设计[J]. 电气技术, 2020, 21(2): 38-43. Wang Jiaxiao, Zhang Yanwen. Application research of series resonance technology on commercial induction cooker. Electrical Engineering, 2020, 21(2): 38-43.

链接本文:

http://dqjs.cesmedia.cn/CN/Y2020/V21/I2/38