变电站35kV消弧线圈档位的选择与计算分析  

Selection and Calculation Analysis of Tap Position of 35 kV Arc Suppression Coil in Substation

作　　者：阳丽 YANG Li(Laibin Power Supply Bureau of Guangxi Power Grid Co.,Ltd.,Laibin 546100,China)

机构地区：[1]广西电网有限责任公司来宾供电局,广西来宾546100

出　　处：《电工技术》2020年第11期104-106,113,共4页Electric Engineering

摘　　要：介绍了中性点不接地系统的特点,基于电容电流、消弧线圈容量、脱谐度、中性点位移电压的计算公式,开发了变压器并列运行计算分析软件。以A变电站为例,计算和确定了35 kV消弧线圈档位,可供实际工作参考。This paper introduces the characteristics of ungrounded neutral system,and develops a calculation and analysis software for parallel operation of transformer based on calculation formulas of capacitance current,arc suppression coil capacity,detuning degree and neutral displacement voltage.With substation A as an example,the tap position of 35 kV arc suppression coil is calculated and determined,which has guiding significance for practical work.

关 键 词：不接地系统 电容电流 消弧线圈 档位 

分 类 号：TM714[电气工程—电力系统及自动化]