期刊
IEEE TRANSACTIONS ON SMART GRID
卷 9, 期 4, 页码 3029-3038出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSG.2016.2624633
关键词
Distribution network; load modeling; smart grid; virtual power plant; voltage regulation
A voltage regulation method for slow voltage variations at distribution level is proposed, based on a view of the loads, generators, and storage along a distribution line as point weights. The centers of mass of the absorbed and injected currents (loads and generation, respectively) are compensated by minimizing the distance between them, through proper redispatching of the power of the available units and interruptible loads. The technique is recursively applied to lesser parts of the distribution line to address local phenomena and is assumed to be offered as ancillary service to the system operator by a virtual power plant. The favorable results of the methodology are assessed on a distribution line of the island of Rhodes (Greece) under critical loading for numerous scenarios. Unlike previous approaches, the technique focuses specifically in the restoration of bus voltages within standard limits and may reduce the activation of on-line tap changing transformers control.
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