输电线路平行多导体耦合场仿真研究

Simulation Research on Parallel Multi Conductor Coupling Field of Transmission Line

运行经验和研究结果表明,过电压是影响电网一次设备和二次设备安全和可靠运行的主要因素,也是选择电气设备绝缘强度的决定性因素。研究各种过电压的特点,采取措施加以限制,对于电力设备设计制造和系统安全运行都具有重要意义。对一种基于多导体耦合场电压传感器进行了仿真研究,表明该传感器能有效耦合导线电压信号,为输电线路过电压在线监测提供了一种技术手段。

The operating experience and research results show that over-voltage is the main factor that affects the safety and reliable operation of primary equipment and two equipment, and also the decisive factor of choosing the insulation strength of electrical equipment. Studying the characteristics of various overvohages and taking measures to limit them are of great importance to the design and manufacture of power equipment and to the safe operation of the system. In this paper, a voltage field sensor based on multi conductor coupling field is studied. The simulation results show that the sensor can effectively connect the voltage signal of the conductor, which provides a technical means for on-line monitoring of transmission line overvoltage.