Series resonant high frequency inverter with zero current switching pulse density modulation for induction heated load

IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468) Pub Date : 2003-11-02 DOI:10.1109/IECON.2003.1280320

L. Gamage, K. Fujita, T. Ahmed, A. Fukui, M. Nakaoka

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引用次数: 3

Abstract

This paper presents the two lossless auxiliary inductor assisted voltage source type half bridge series resonant high frequency inverter for induction heated fixing roller in copy and printing machines. This high-frequency inverter treated here can completely achieve stable zero current soft switching (ZCS) commutation for wide power regulation ranges and load variations under its constant frequency pulse density modulation (PDM) scheme. Its transient and steady state operating principle is originally presented for a constant high-frequency PDM control strategy under a ZCS operation commutation, together with its output effective power regulation characteristics-based on the PDM strategy. The experimental operating performances of this voltage source ZCS-PDM high frequency inverter using IGBTs are illustrated as compared with computer simulation ones. Its power losses analysis and actual efficiency are evaluated and discussed on the basis of simulation and experimental results. The effectiveness of this high frequency inverter appliance is proved from the practical point of view.

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感应热负载零电流开关脉冲密度调制串联谐振高频逆变器

本文介绍了两种无损辅助电感辅助电压源型半桥串联谐振高频逆变器，用于复印、印刷机的感应加热固定辊。本文研究的高频逆变器在恒频脉冲密度调制(PDM)方案下，可以完全实现宽功率调节范围和负载变化的稳定零电流软开关(ZCS)换流。提出了一种基于ZCS操作换流的恒高频PDM控制策略的暂态和稳态工作原理，以及基于PDM策略的输出有效功率调节特性。通过与计算机仿真结果的比较，说明了采用igbt的电压源ZCS-PDM高频逆变器的实验工作性能。在仿真和实验结果的基础上，对其功率损耗分析和实际效率进行了评价和讨论。从实际应用的角度证明了该高频逆变器的有效性。

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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IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468)

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