节点文献
客户端20kV变电所接地电阻值的探讨
Discussion on Grounded Resistance of Client End in 20 kV Substation
【摘要】 阐述了小电阻接地的20 kV供电系统中对接地电阻的要求,分析了不同点接地故障时最大入地电流计算,以及对20 kV供电系统接地网的跨步电压和接触电压的验算。
【Abstract】 The requirement for grounded resistance in 20 kV power supply system with small resistance grounding is described.Then the max earth currents with different grounded points are calculated.The checking calculations of step voltage and contact voltage are carried out for the grounded network of power supply system.
【关键词】 20kV供电系统;
接地电阻;
入地故障电流;
跨步电压;
接触电压;
【Key words】 20 kV power supply system; ground resistance; earth fault current; step voltage; touch voltage;
【Key words】 20 kV power supply system; ground resistance; earth fault current; step voltage; touch voltage;
- 【文献出处】 江苏电机工程 ,Jiangsu Electrical Engineering , 编辑部邮箱 ,2009年01期
- 【分类号】TM862
- 【被引频次】5
- 【下载频次】109