基于DSTATCOM的级联h桥变换器控制策略

First International Conference on Industrial and Information Systems Pub Date : 2006-12-01 DOI:10.1109/IICPE.2006.4685390

K. Anuradha, B. Muni, A. Rajkumar, K. Balaji

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引用次数: 1

摘要

电力公司和工业配电网的无功功率管理在降低配电损耗、保持配电电压恒定和提高功率因数方面起着重要作用。本文对基于DSTATCOM的级联h桥变换器进行了仿真研究，利用负载侧补偿改善配电装置中的功率因数。在这种新颖的控制策略中，通过对负载无功电流的监测和设置作为DSTATCOM控制器的参考，使DSTATCOM能够在稳态和暂态状态下提供负载所需的无功功率。对于大功率应用，级联h桥变换器是最理想的选择，相比中性点箝位逆变器和双电平逆变器串联连接的功率器件

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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Novel Control Strategy for Cascaded H-Bridge Converter based DSTATCOM

Reactive power management in a power distribution network of a power utility and industry plays a major role in reducing distribution loss, in maintaining constant distribution voltage and in improving power factor. The paper presents the simulation studies on a cascaded H-Bridge converter based DSTATCOM for power factor improvement in power distribution set-up using load side compensation. In this novel control strategy, load reactive current is monitored and set as a reference for DSTATCOM controller in such a way that DSTATCOM is able to supply the reactive power demanded by the load both during steady state and transient conditions. For high power applications, cascaded H-Bridge converter is the most ideal choice compared to neutral point clamped inverter and two-level inverter with series connected power devices

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First International Conference on Industrial and Information Systems

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