摘要
由于低压负荷的差异性,常常导致电力系统低压侧出现三相负荷不平衡的情况。针对此问题,本文提出了采用智能换相开关的自决策解决方案。本文首先设计了固态智能换相开关的拓扑结构、工作模式和控制方法;其次完成了低压配电网智能换相监控系统,最后进行了Matiab仿真,并建立了低压配电网系统模型。仿真结果表明,所提出的自决策方案在解决三相负荷不平衡、改善低电压、提高供电质量方面具有可行性。
The situation of three load unbalance at low voltage side of power system is frequently occurred due to the difference low voltage load.In view of this issue,a self⁃decision solution using intelligent com⁃mutation switches is proposed in this paper.Firstly,the topological structure,operation mode and control method of the solid⁃state intelligent commutation switch are designed.Secondly,the intelligent commuta⁃tion monitoring system of the low⁃voltage distribution network is completed.Finally,the Matiab simulation is carried out and the low⁃voltage distribution network system model is established.It is shown by the simu⁃lation result that the proposed self⁃decision scheme is feasible in solving the three⁃phase load imbalance,improving the low voltage and power supply quality.
作者
杨成钢
赵建文
金华芳
林锋
傅颖
胡志宏
YANG Chenggang;ZHAO Jianwen;JIN Huafang;LIN Feng;FU Ying;HU Zhihong(State Grid Zhejiang Electric Power Co.,Ltd.,Lishui Power Supply Company,Zhejiang Lishui 323000,China)
出处
《电力电容器与无功补偿》
北大核心
2020年第6期115-119,共5页
Power Capacitor & Reactive Power Compensation
基金
国网浙江省电力有限公司科技项目(5211LS170003)。
关键词
低压配电网
三相不平衡
智能换相开关
智能监控系统
low voltage distribution network
three⁃phase unbalance
intelligent commutation switch
intelligent monitoring system
