浅谈海上油气田电力系统中性点接地设计  

Discussion on Neutral Grounding Design of Offshore Oil and Gas Field Power System

作　　者：高璇 李雪 张强 胡显伟 GAO Xuan;LI Xue;ZHANG Qiang;HU Xianwei(China National Offshore Oil Corporation Research Institute Ltd.,Beijing 100028,China;China National Oil and Gas Exploration and Development Co.,Ltd.,Beijing 100034,China)

机构地区：[1]中海油研究总院有限责任公司,北京100028 [2]中国石油国际勘探开发有限公司,北京100034

出　　处：《电工技术》2021年第23期62-63,68,共3页Electric Engineering

摘　　要：海上油气田电力系统的接地方式对电力系统的过电压和绝缘水平、发电机和变压器等电气设备的运行方式、继电保护的设置、电力系统可靠性、用电安全等均有一定的影响。针对各种中性点接地方式的特点及在海上油气田电力系统的适用性进行分析,以实际工程案例为例,提出了中性点接地系统参数的计算方法,对类似工程设计具有借鉴意义。The grounding mode of offshore oil and gas field power system has a certain influence on the overvoltage and insulation level of power system,the operation mode of electric equipment such as generator and transformer,the setting of relay protection,the reliability of power system,and the safety of electricity use.The characteristics of various neutral grounding modes and their applicability in offshore oil and gas field power system are analyzed.Taking the actual engineering case as an example,the calculation method of neutral point grounding system parameters is proposed,which can be used as a reference for similar engineering design.

关 键 词：中性点接地方式 电阻接地 接地电容电流 不接地系统 消弧线圈接地 

分 类 号：TE54[石油与天然气工程—油气田开发工程]