Voltage Regulation in Smart Grids

M. Azzouz
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引用次数: 1

Abstract

The intermittent nature of renewable power sources (RES) can significantly change the voltage profile of smart grids and adversely impact the conventional voltage control devices such as tap-changing transformers and capacitor banks. Furthermore, the growing penetration of plug-in electric vehicles (PEVs) can add high stress on voltage control devices due to the PEV stochastic and concentrated power profiles. Such power profiles may lead to high maintenance costs and reduced lifetimes for voltage control devices and limit actions on accommodation of high penetration levels of RES and PEVs. This chapter explains the basic background of voltage regulation in smart grids. The typical approaches, which are employed by utilities for voltage regulation, are reviewed. Then, the impact of RES and PEVs on voltage regulation is analyzed. Lastly, remedies for voltage violations in smart grids, such as optimal reactive power control and coordination between voltage control devices, are discussed.
智能电网中的电压调节
可再生能源(RES)的间歇性可以显著改变智能电网的电压分布,并对传统的电压控制设备(如分接变压器和电容器组)产生不利影响。此外,随着插电式电动汽车(PEV)的普及,其功率分布的随机性和集中性给电压控制装置带来了很大的压力。这样的功率分布可能导致高维护成本和降低电压控制装置的使用寿命,并限制对RES和pev高穿透水平的适应。本章阐述了智能电网电压调节的基本背景。本文综述了电力公司采用的典型电压调节方法。然后,分析了RES和pev对电压调节的影响。最后,讨论了智能电网中电压违规的补救措施,如最优无功控制和电压控制设备之间的协调。
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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