Analysis of deviations on the optimal power flow operation of MTDC networks: A comparison between droop control and the DVC strategy
Analysis of deviations on the optimal power flow operation of MTDC networks: A comparison between droop control and the DVC strategy
复制标题
MTDC网络最优潮流运行偏差分析：下垂控制与DVC策略的比较
DOI：
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发表时间：
2015
期刊：
影响因子：
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通讯作者：
P. Bauer
中科院分区：
文献类型：
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作者：
R. Teixeira Pinto;M. Aragues;O. Gomis‐Bellmunt;A. Sumper;P. Bauer
人们对发展高压多端直流（MTDC）网络越来越感兴趣，以整合可再生能源，加强现有交流网络和为偏远地区供电。尽管许多研究对MTDC网络的潮流控制策略进行了研究，但很少有研究关注潮流误差的可能来源。本文的目的是分析三种不同来源的误差对未来高压直流电网OPF运行的影响：电压测量误差；电缆电阻随温度的变化及预测可再生能源发电量的误差。为了进行分析，使用直流OPF工具来比较两种不同的控制策略，即下垂控制和分布式电压控制（DVC）策略。OPF目标函数为MTDC网络损耗最小，以舟山新近建成的五端高压直流电网为例。
There is a growing interest in the development of high-voltage multi-terminal direct current (MTDC) networks for integration of renewable energy sources, reinforcement of existing ac networks and feeding remote locations. Although many studies have investigated power flow control strategies for MTDC networks, few studies have looked into the possible sources of load flow errors. The aim of this paper is to analyze the effect of errors in the OPF operation of these future HVDC grids for three different sources: voltage measurement errors;variation of cable resistance with temperature and error in the prediction of the generated power from renewable sources. To perform the analysis a direct current OPF tool is used to compare two different control strategies, namely droop control and the distributed voltage control (DVC) strategy. The OPF object function is the minimization of losses in the MTDC network, which is based on the recently built 5-terminal HVDC grid in Zhoushan, China.