220kV普光变电站35kV系统接地研究  

35 kV substation of 220 kV puguang grounding system

作　　者：张世文[1] 

机构地区：[1]中石化中原油田普光分公司,四川达州636156

出　　处：《自动化与仪器仪表》2011年第6期33-34,共2页Automation & Instrumentation

摘　　要：普光气田是我国最大的高含H2S气田,产能为105×108m3/年天然气,220kV普光变电站是保障普光气田的正常运行以及职工的正常生活用电的"心脏"。该站为四川电网内第一个主变压器3 5 k V线圈采用三角形接线,第一个3 5 k V中性点经中电阻接地、单相接地故障直接跳闸的配网系统。经过近3年的运行,系统运行良好,电网运行平稳,该系统的成功应用,对今后类似工程的设计将起到较好的借鉴作用。Puguang gas field is the largest high gas field containing H2S,capacity for 105 x 108 m3 / year natural gas,220 kV substations puguang puguang gas field is to ensure the normal operation of the normal life of the worker and the ＂heart＂ of electricity.For sichuan power station in main transformer first 35 kV coil using triangle wiring,the first 35 kV neutral in the resistance grounding,one-phase ground fault feeder of the distribution network system directly.After nearly three years of operation,the system is running well,power grid smooth operation,and successful application of the system,the design of similar projects in the future will play a good reference.

关 键 词：主变压器 三角形接线 中电阻接地 

分 类 号：TP27[自动化与计算机技术—检测技术与自动化装置]