基于igbt的高频感应加热液晶谐振逆变器设计

Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370) Pub Date : 1999-10-03 DOI:10.1109/IAS.1999.806017

Sibylle Dieckerhoff, Michael J. Ryan, R. W. D. Doncker

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引用次数: 117

摘要

研制了一种用于高频感应加热的电力电子逆变器。该应用需要高达160千瓦的功率，频率为100千赫。这种工频产品代表了当今功率半导体技术的重大挑战。对采用ZCS和ZVS的电压源和电流源逆变器进行了分析比较。为了达到所需的性能水平，选择了LCL负载谐振拓扑，使ZVS接近负载的零电流交叉点。这种软开关模式适用于大大降低IGBT损耗。逆变器控制是通过锁相环(PLL)实现的。本文介绍了电路设计、建模和控制注意事项。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of an IGBT-based LCL-resonant inverter for high-frequency induction heating

A power electronic inverter is developed for a high-frequency induction heating application. The application requires up to 160 kW of power at a frequency of 100 kHz. This power-frequency product represents a significant challenge for today's power semiconductor technology. Voltage source and current source inverters both using ZCS or ZVS are analyzed and compared. To attain the level of performance required, an LCL load-resonant topology is selected to enable ZVS close to the zero current crossing of the load. This mode of soft-switching is suitable to greatly reduce the IGBT losses. Inverter control is achieved via a phase locked loop (PLL). This paper presents the circuit design, modeling and control considerations.

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Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370)

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