基于角接SVG治理电网背景电压不平衡  

Compensation of Background Voltage Imbalance in the Power Grid Based on Delta Connected SVG Device

作　　者：徐群伟 朱非白 马智泉 杨永飞 XU Qun-wei;ZHU Fei-bai;MA Zhi-quan;YANG Yong-fei(Electric Power Science Research Institute of State Grid Zhejiang Electric Power Co.,Ltd.,Hangzhou 310014,China;不详)

机构地区：[1]国网浙江省电力有限公司电力科学研究院,浙江杭州310014 [2]辽宁荣信兴业电力技术有限公司,辽宁鞍山114000

出　　处：《电力电子技术》2024年第6期54-56,共3页Power Electronics

基　　金：国网浙江省电力有限公司科技项目(5211DS22000F)。

摘　　要：为解决电网背景电压不平衡对重要精密负荷正常工作的影响,这里提出一种基于角接静止无功发生器(SVG)装置治理电网背景电压不平衡的控制方法,通过理论分析、控制算法设计和样机测试验证等方法确认该技术方法的正确性和可行性。最终确认使用所提出的基于角接SVG装置治理电网背景电压不平衡的方法可以有效解决电网背景电压不平衡的问题,实现电力用户接入点三相电压基本平衡,保证电机类等重要精密负荷正常稳定工作。To eliminate the impact of grid background voltage imbalance on the normal operation of important precision loads,a control method based on delta connected static var generator(SVG)devices to compensate grid background voltage imbalance is proposed.The correctness and feasibility of this technical method are confirmed through theoretical analysis,control algorithm design,and prototype testing verification.Finally,it is confirmed that the proposed method of compensation of background voltage imbalance in the power grid based on delta connected SvG device can effectively solve the problem of background voltage imbalance in the power grid,achieve balance of three-phase voltage at power user access points,and ensure the normal and stable operation of important precision loads such as motors.

关 键 词：角接静止无功发生器 治理电网 电压不平衡 

分 类 号：TM761[电气工程—电力系统及自动化]