Impact of Voltage Variation on Hydroelectric Doubly Fed Machines – An Electro-thermomechnaical Investigation

R. R. Singh, V. Indragandhi, S. Umashankar
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引用次数: 3

Abstract

Renewable energy systems in power grid creates irregular voltage profile. These electrical perturbations affects the machine linked to the power network, particularly high rating machines are more affected. To have a stable network, predicting the operation of pumped storage power plant enabling doubly fed hydroelectric machine is mandatary. Therefore, this paper analyses the electro-thermomechanical stresses under voltage variation on doubly fed synchronous machine (DFSM) and doubly fed asynchronous machine (DFAM). Hardware experimentation with 3 HP doubly fed machines has been carried out to identify the real time impact. The outcome of the analysed results helps to prevent the power network system from voltage variation issue and provides the countermeasure ideas to develop a robust system.
电压变化对水力双馈电机的影响——电-热-机械研究
可再生能源系统在电网中产生不规则的电压分布。这些电扰动影响与电网相连的机器,特别是高额定值的机器受到的影响更大。为了保证电网的稳定运行,对双馈水轮机抽水蓄能电站的运行进行预测是必要的。为此,本文分析了双馈同步电机(DFSM)和双馈异步电机(DFAM)在电压变化下的机电应力。在3马力双馈电机上进行了硬件实验,以确定实时影响。分析结果有助于防止电网系统出现电压变化问题,并为电网系统的鲁棒性发展提供对策思路。
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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