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首页> 外文期刊>EPE Journal: European Power Electronics and Drives >Inverter Configuration for Simultaneous Dual Frequency Induction Hardening with Independent Control
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Inverter Configuration for Simultaneous Dual Frequency Induction Hardening with Independent Control

机译：采用独立控制的同步双频感应淬火逆变器配置

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摘要

Induction hardening is a heat treatment process which selectively heats parts of work-piece with different size and shape. Components like gears require different frequencies with inner core requiring low frequency and outer surface requiring high frequency. Simultaneous application of low and high frequency currents is desirable for proper hardening of gear. This paper proposes a two inverter topology with a load resonant circuit which can provide independent and simultaneous control of low and high frequency currents through the load coil. The load circuit is a combination of two series resonant circuits which operates at the desired low and high frequencies. Power control is achieved with phase modulation of low and high frequency inverters.
机译：感应淬火是一种热处理工艺，可以选择性地加热具有不同尺寸和形状的工件零件。齿轮之类的组件需要不同的频率，内芯需要低频，而外表面则需要高频。同时施加低频和高频电流对于齿轮的适当硬化是理想的。本文提出了一种带有负载谐振电路的两逆变器拓扑，该拓扑可以提供对负载线圈中低频电流和高频电流的独立和同时控制。负载电路是两个串联谐振电路的组合，它们在所需的低频和高频下工作。功率控制通过低频和高频逆变器的相位调制来实现。

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