基于线充比率的配电网感性无功补偿充裕度量化评价分析  

Quantitative Assessment and Analysis of Margin of Inductive Reactive Power Compensation in Distribution Network Based on Line⁃to⁃charge Ratio

作　　者：王博文 华文 李宽宏 王龙飞 石博隆 王蕾 WANG Bowen;HUA Wen;LI Kuanhong;WANG Longfei;SHI Bolong;WANG Lei(State Grid Zhejiang Electric Power Company Electric Power Research Institute,Hangzhou 310014,China;State Grid Fuzhou Power Supply Company,Fuzhou 350000,China;State Grid Zhejiang Electric Power Company,Hangzhou 310000,China;State Grid Zhejiang Electric Power Company Economic Research Institute,Hangzhou 310000,China)

机构地区：[1]国网浙江省电力有限公司电力科学研究院,杭州310014 [2]国网福州供电公司,福州350000 [3]国网浙江省电力有限公司,杭州310000 [4]国网浙江省电力有限公司经济技术研究院,杭州310000

出　　处：《电力电容器与无功补偿》2022年第4期27-35,共9页Power Capacitor & Reactive Power Compensation

摘　　要：提出一种基于线充比率的110 kV变电站无功补偿充裕度计算与量化评估方法,通过分析评估主变有功负载率、负荷功率因数、电缆线路的充电功率对变电站无功平衡的影响,计算出110 kV变电站相应的线充比率和下接极限电缆长度以及感性无功充裕度,提出变电站无功补偿需求,为110 k V变电站无功配置设计方案提供参考。The calculation and quantitative assessment method of reactive power compensation adequacy of 110 kV substation based on the line⁃to⁃charge ratio is proposed in this paper.Through analyzing and assessing the influence of active power load ratio of main transformer,load power factor and and the charging power of of cable line on the reactive power balance of substation,the corresponding line⁃to⁃charge ratio,the length of connecting cable and the inductive power adequacy of 100 kV substation are calculated,the reactive power compensation requirement of the substation is proposed,which provides reference for the design scheme of reactive power config uration of 100 kV substation.

关 键 词：线充比率 电缆 无功功率补偿 配电网 

分 类 号：TM714.3[电气工程—电力系统及自动化]