电流接地系统电压不平衡分析及对策

Voltage Imbalance Analysis and Countermeasures of Current Grounding System

小电流接地系统中母线电压不平衡现象普遍存在,应引起重点关注。对小电流接地系统中三相电压不平衡的影响因素、表现形式进行了分析和总结,探讨了母线电压不平衡的判别方法和处置措施,以保证供电质量和电网的安全运行。

Bus voltage imbalance always occurs in low current grounding system,which should be paid more attention to.The influencing factors and manifestations of three-phase voltage imbalance in low current grounding system are analyzed and summarized,and the discriminative methods and disposal measures of bus voltage imbalance are discussed so as to ensure the quality of power supply and the safe operation of power grid.