基于新型调压装置与正余弦算法的电压优化方法

Voltage Optimization Method Based on New Voltage Regulator and Sine Cosine Algorithm

利用附加装置对电力系统配电网进行电压调节,对系统的安全稳定运行与负荷运行经济性具有重要作用。文中介绍了一种结合了传统变压器变比调节和节点无功补偿调节优点的新型调压装置,并研究了基于该调压装置的配网电压优化策略。该优化策略包含灵敏度选址、基于节点负荷加权与电压偏移的优化目标确定,及利用正余弦优化算法进行参数寻优。最后通过实际电网仿真算例分析,证明了该新型调压装置与电压优化方法对配电网电压调节的有效性。

Voltage regulation of distribution work of power system by the use of additional device plays an important role in the safe and stable operation of the system and the economy of load operation.In this paper,a kind of new voltage regulator that combines the advantages of traditional transformer ratio regulation and nodal reactive power compensation regulation is introduced,and the distribution network voltage optimization strategy based on this regulator is studied.The optimization strategy includes sensitivity site selection,determination of optimization targets based on node load weights and voltage offsets and parameter optimization using a sine cosine optimization algorithm.Finally,the effectiveness of the new regulator and voltage optimization method in distribution network voltage regulation is proved through the analysis of simulation calculation analysis of actual power network.