中文摘要：

针对可再生能源发电以分布式接入的方式并网的不可控性和其出力的间歇性,给电网带来的电压扰动越限等诸多问题,提出了一种适应可再生能源发电接入配电网的D-STATCOM容量配置方法。该方法基于可再生能源发电接入后的电压波动机理和线路特征参数的灵敏度分析,以抑制可再生能源发电造成的最大电压波动为目的,总结出了在数据缺省情况下的D-STATCOM容量配置推荐范围,并通过统一目标的多元线性回归拟合得到了D-STATCOM的容量配置推荐公式。以多条实际的城镇和农村配电线路作为算例,验证了所提方法的有效性。研究结果表明,该方法可以通过对D-STATCOM的容量进行合理配置来抑制可再生能源发电接入产生的电压波动。

英文摘要：

Aiming at the problems such as voltage fluctuation that result from the uncontrollability and randomness of renewable energy which was connected to electric power girds by means of distributed generation, a capacity allocation method of D-STATCOM adapting to renewable energy generation was proposed in this paper. This method was based upon the mechanism analysis of voltage drop and sensitivity analysis of distribution feeder parameters and targeted at preventing the maximum voltage fluctuation. The recommended range of capacity allocation was summarized in the case of lack of data and a capacity allocation formula of D-STATCOM was achieved through unified-objective multiple-line- ar regression. Taking the actual urban and rural distribution feeders as examples, the results of simulation indicate that the proposed method is effective and it can calculate the reasonable capacity of D-STATCOM which can exactly prevent the maximum voltage fluctuation produces by renewable energy generation.