6kV中压系统铁磁谐振过电压原因分析及对策研究

6 kV Medium Voltage System Ferromagnetic Resonance Overvoltage Cause Analysis and Countermeasures

中性点不接地系统因铁磁谐振过电压而引起的故障、事故屡见不鲜。通过对铁磁谐振过电压产生的机理和消谐措施进行分析,以期指导相关单位结合现场实际选择针对性强、有效的消谐措施。

Fault ungrounded system due to over-voltage caused by ferromagnetic resonance, accidents are common. Elimination mechanism by ferromagnetic resonance over-voltage generated analysis to guide the relevant units combine the actual site selection targeted and effective measures to eliminate harmonics.