一种用于感应电机驱动的新型准谐振DC-link PWM逆变器

30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321) Pub Date : 1999-06-27 DOI:10.1109/PESC.1999.789050

J.J. Jafar, B. G. Fernandes

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引用次数: 2

摘要

提出了一种适用于感应电机驱动的准谐振直流电链逆变器。仅使用一个额外的开关器件在直流链路中创建零电压瞬间，以方便在所有负载条件下逆变器器件的零电压开关。逆变器器件上的电压应力在(1.01-1.10)pu左右，任何PWM技术都可以用来控制逆变器的输出电压。本文介绍了QRDCL逆变器的工作原理，并对其进行了详细的分析。给出了实现逆变器器件软开关的设计准则。通过详细的PSPICE仿真研究，预测了变频器馈电异步电机的性能，并对仿真结果进行了实验验证。

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 novel quasi-resonant DC-link PWM inverter for induction motor drive

A novel quasi-resonant DC-link (QRDCL) inverter for induction motor drives is proposed. Only one additional switching device is being used to create zero voltage instants in the DC-link to facilitate zero voltage switching of the inverter devices under all loading conditions. The voltage stress on the inverter devices is around (1.01-1.10)pu and any PWM technique can be used to control the output voltage of the inverter. In this paper, the principle of operation and the detailed analysis of the proposed QRDCL inverter are presented. Design criterion to achieve soft switching of the inverter devices is also given. Detailed PSPICE simulation studies are carried out to predict the performance of the inverter feeding an induction motor and these simulated results are verified experimentally.

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来源期刊

30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321)

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