精准相控与非线性吸能技术在电容器组过电压与涌流抑制中的应用

Application of Precision Phase Control and Nonlinear Energy Absorption Technology in Capacitor Overvoltage and Surge Current Suppression

为解决配电网中电磁能量震荡传播、端部匝间绝缘累积性伤害等问题,研究提出精准相控与非线性吸能的联合技术,用于解决电容器组过压与涌流抑制的问题。在实际应用中,利用电压零角度时合闸电容器涌流倍数最小原理,同时并联非线性吸能元件,有效提高电网运行安全,降低对装置设备的危害。结论表明,精准相控与非线性吸能技术的应用,可大幅提升电容器组运行的稳定性和可靠性。

In order to solve the problems of electromagnetic energy shock propagation and cumulative damage of interturn insulation in distribution network,the combined technology of accurate phase control and nonlinear energy absorption is proposed to solve the problems of overvoltage and surge current suppression in capacitor group.In practical application,the principle of the minimum inflow multiple of the closing capacitor when the voltage is zero,and the parallel nonlinear energy absorption components can effectively improve the operation safety of the power grid,and reduce the harm to the equipment.The conclusion shows that the application of precision phase control and nonlinear energy absorption technology can greatly improve the stability and reliability of capacitor bank operation.