配电线路电缆化对中压配电网影响分析  

Influence Analysis On Changing Overhead Power Lines To Underground Cables In Distribution Network

作　　者：吴丹[1] 

机构地区：[1]上海市电力公司市东供电公司,上海201203

出　　处：《供用电》2008年第4期38-41,共4页Distribution & Utilization

摘　　要：以上海浦东配电网为对象,对配电线路电缆化对中压配电系统产生的影响进行了研究。从浦东配电线路电缆化的现状分析入手,对电缆线路与架空线路进行全面比较。阐述了电网接线方式、中性点接线方式、继电保护和配网自动化以及电网规划调度工作等方面,配电线路电缆化对中压配网的影响.并提出了相应的对策。Taking the distribution network in Pudong district of Shanghai as objective, we analyze the influence caused by the changing of overhead power lines to underground cables in MV distribution system. The comprehensive comparison is conducted through analyzing the current situation after retrofitting in respects of power network connection mode, neutral point connection mode, relay protection, distribution network automation, power network planning and dispatching etc. The corresponding solutions are further suggested.

关 键 词：配电网 配电线路 架空线路 电缆线路 城市电网改造 

分 类 号：TM726[电气工程—电力系统及自动化]