逆变器电源型输电线路三相重合闸研究  

Research on Three-Phase Reclosing of Inverter Power Supply Type Transmission Line

作　　者：陈烜 CHEN Xuan(State Grid Sichuan Electric Power Service Co.,Ltd.,Chengdu 610021,China)

机构地区：[1]国网四川电力服务有限公司,四川成都610021

出　　处：《电工材料》2024年第3期93-96,共4页Electrical Engineering Materials

摘　　要：逆变器电源等效惯性小,调压、调频能力弱,重合闸时容易因为合闸条件不满足而导致合闸失败。本文分析了逆变器电源的输出电压幅值、频率差、合闸时相位差对合闸冲击电压、合闸冲击电流的影响,明确逆变器电源合闸的条件。并通过仿真算例验证了本文方法的有效性。Because the equivalent inertia of the inverter power supply is small,the ability of voltage regulation and frequency regulation is weak,it is easy to fail due to unsatisfactory closing conditions during reclosing.This paper analyzes the influence of output voltage amplitude,frequency difference and phase difference on closing impulse voltage and closing impulse current of inverter power supply,and then defines the conditions of inverter power supply closing.The effectiveness of the proposed method was verified by a simulation example.

关 键 词：逆变器电源 三相重合闸 冲击电流 

分 类 号：TM726[电气工程—电力系统及自动化]