多功能电流源变换器的SVPWM策略

2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI:10.1109/PEAC.2018.8590656

Dong Li, F. Li, Daojian Rong, Kaihui Zheng, Dongjun Wang, Qiang Li

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引用次数: 2

摘要

共模电压(CMV)和无功电流补偿是无变压器电流源变换器的两个重要问题。提出了一种改进的空间矢量调制方法，在抑制共模电压的同时，主动控制无功潮流，进行功率因数校正。详细分析了共模电压与空间矢量调制的关系。在此基础上，提出了一种改进的零矢量空间调制方法。为了补偿系统的无功电流，通过dq轴坐标变换制定了无功控制策略。

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An SVPWM Strategy for Multifunction Current Source Converter

The common mode voltage (CMV) and the reactive current compensation are two important problems for the transformer-less current source converter (CSC). A modified space vector modulation method is proposed to suppress common mode voltage and at the same time, actively controlling the reactive power flow for power factor correction. The relationship associated with the common mode voltage and space vector modulation was analyzed in detail. Then, an improved space vector modulation method with choosing zero vectors is proposed. To compensate reactive current of system, reactive power control strategy is developed through the dq axis coordinate transformation.

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来源期刊

2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)

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