【摘要】 随着电网的增容、电缆馈线的增加 ,接地电容电流随之增大。为减少产生谐振 ,降低内过电压 ,中性点接地电阻器在中压电网的应用越来越多。笔者介绍了新近开发的氧化锌线性电阻中性点接地电阻器 ,具有热容量大、温升低、阻值稳定、体积小、安全、可靠性高等特点 ,运行情况良好。更多还原

【Abstract】 The system grounding capacitive current is increased with increase of system capacity and number of cable feeders.For decrease of harmonics and switching overvoltages the application of neutral grounding resistors is spreed.The author present a new developed neutral grounding resistor based on zinc oxide linear resistors which features high thermal capcity, low heating level, stable resistivity, safely and excellent service performance.更多还原