基于脉冲调频的箝位电压特性e类逆变器控制新方案研究

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1042732

Young-Deok Choi, Dong-Yun Lee, D. Hyun

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引用次数: 15

摘要

本文介绍了一种利用脉冲频率调制(PFM)控制电压特性箝位的e类逆变器的新方案。为了减小开关的电压应力，与一类有源箝位E类(ACCE)逆变器相比，所提出的PFM控制方案不需要任何辅助电路。通过对开关频率的调制，可以减小开关的电压应力。采用该控制方案的e类逆变器不仅具有与混合有源箝位e类(hybrid-ACCE)逆变器输出功率相同的优点，而且具有传统e类和有源箝位e类(ACCE)逆变器的零电压开关(ZVS)特性。详细阐述了该方法的控制原理，并通过实验验证了该方法的有效性。

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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A study on the new control scheme of Class-E inverter for IH-jar application with clamped voltage characteristics using pulse frequency modulation

In this paper, a new control scheme of Class-E inverter for induction heating (IH) jar applications with clamped voltage characteristics using pulse-frequency modulation (PFM) is introduced. To reduce the voltage stress of the switch, the proposed PFM control scheme doesn't need any auxiliary circuit in comparison to a family of active clamped Class E (ACCE) inverter. It can decrease voltage stress of switch through modulation of switching frequency. The Class-E inverter using the proposed control scheme has the advantages of not only the same output power when it is compared with a hybrid-active clamped Class-E (hybrid-ACCE) inverter but also zero-voltage-switching (ZVS), which are characteristics of conventional Class-E and active clamped Class-E (ACCE) inverter. The control principles of the proposed method are explained in detail and its validity is verified through experimental results.

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Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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