Aiming at the problems brought by the neutral point of the 6～35 kV power supply system and distribution system of a large iron and steel enterprise not being grounded or grounded by the arc-canceling coil,combined with the cases of grounding faults and the capacitance currents of the power supply and distribution system measured at the site,it is proposed to carry out the modification of the neutral point of the existing 6～35 kV power supply and distribution system in the form of low-resistance grounding.The key issues involved in the transformation are analyzed and solution measures are proposed to provide reference for the implementation of the transformation of the neutral low-resistance grounding method of the power supply and distribution system.
关键词
6～35kV供配电系统/中性点接地方式/低电阻接地/单相接地故障/电容电流测试
Key words
6～35 kV power supply and distribution system/neutral grounding method/low-resistance grounding/single-phase ground fault/capacitive current test
维普
万方数据