连云港地区中压电网中性点接地方式的选择  

Selection of Neutral Ground Type in Lianyungang Medium Voltage Power Grid

作　　者：衡思坤[1] 伏祥运[1] 

机构地区：[1]江苏省电力公司连云港供电公司,江苏连云港222004

出　　处：《水电能源科学》2010年第10期142-144,150,共4页Water Resources and Power

摘　　要：针对中压电网中性点接地方式的合理选择是电力系统实现安全与经济运行的技术基础,以连云港地区中压电网为例,测试了部分变电站的相关参数,并基于运行情况统计与部分实例,分析比较了中性点不同接地方式的特点及对供电可靠性、安全性的影响,提出了适合该地区中压电网中性点的接地方式,以供借鉴。Reasonable neutral ground type of medium voltage power grid is the basis for safety and economic operation of power system.Taking the Lianyungang power grid for an example,relevant data of several substations have been measured.In addition,the features and its effects on power distribution feasibility and safety of several neutral ground types are compared base on the statistics of operation condition and examples.Finally,a neutral point grounding type is proposed,which is suitable for Lianyungang power grid.Thus,it provides reference for engineering application.

关 键 词：连云港地区 电网中性点接地方式 Power Grid MEDIUM VOLTAGE 中压电网 供电可靠性 运行情况 相关参数 系统实现 经济运行 技术基础 合理选择 分析比较 安全性 变电站 统计 特点 借鉴 电力 测试 

分 类 号：TK79[动力工程及工程热物理—流体机械及工程] TV7[水利工程—水利水电工程]