一个PWM电压源逆变器与PI控制器的瞬时电机电流控制

Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI:10.1109/PEDS.1995.404961

A. Maswood

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引用次数: 10

摘要

与传统的PWM或SPWM电压源逆变器(VSI)相比，该逆变器具有比例积分电流控制器(PI VSI)的优势。它们包括瞬时电流控制和波形整形，与输出频率无关的固定逆变器开关频率，只产生已知的谐波，以及自由运行的载波操作。介绍了一种基于PI - VSI的建模方法。给出了VSI电源电路的设计实例。讨论了PI控制器的设计。最后验证了VSI负载电流的谐波含量和瞬时电流控制能力

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A PWM voltage source inverter with PI controller for instantaneous motor current control

Apart from traditional PWM or SPWM voltage source inverters (VSI), the proposed VSI with a proportional integral current controller (PI VSI) offers superiority. They include instantaneous current control and wave shaping, fixed inverter switching frequency independent of the output frequency resulting in only known harmonics, and free-running carrier operation. A modelling approach to proposed PI VSI is introduced. A design example of the VSI power circuitry is presented. The PI controller design is discussed. Finally the VSI load current is verified for harmonic content and instantaneous current control capabilities.<>

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Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95

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