利用自支撑式动态电压恢复器改善配电系统电能质量

2015 International Conference on Power, Instrumentation, Control and Computing (PICC) Pub Date : 2015-12-01 DOI:10.1109/PICC.2015.7455751

T. Archana, P. Reji

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引用次数: 2

摘要

本文分析了一种新的自支撑式动态电压恢复器控制算法。DVR用于缓解终端电压中的电压凹陷、膨胀、谐波等电能质量问题。这里两个PI(比例积分器)控制器用于调节直流母线电压和负载电压。本文的研究重点是如何降低DVR系统的有功功率。利用同步旋转框架(SRF)理论提取终端电压的基本原理，生成参考电压。利用检测到的负载电压与参考负载电压之间的误差产生DVR的控制信号。利用自持式DVR对电压暂降、膨胀、谐波的补偿进行了评估。利用MATLAB软件及其Simulink和Sim-power系统(SPS)模块集工具箱对DVR进行了建模。

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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Power quality improvement using self-supported Dynamic Voltage Restorer (DVR) in distribution system

In this paper a new control algorithm for self-supported Dynamic Voltage Restorer (DVR) is analysed. DVR is used to mitigate the power quality problems in terminal voltage like voltage sag, swell, harmonics etc. Here two PI (Proportional Integrator) controllers are used for regulating the DC bus voltage and the load voltage. The focus of this paper is to reduce the active power injected by DVR. Synchronous Rotating Frame (SRF) theory is used to extract the fundamentals of terminal voltage and reference voltage is genereted. The error between sensed load voltage and reference load voltage is used to generate the control signal for the DVR. The compensation of voltage sag, swell, harmonics is evaluated using the Self-supported DVR. The DVR has been modelled using MATLAB software with its Simulink and Sim-power system (SPS) block set tool boxes.

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来源期刊

2015 International Conference on Power, Instrumentation, Control and Computing (PICC)

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