WMZ-41A型微机母线保护装置的探索与应用
Study of WMZ-41A Micro-computer Bus Protector and Its Application
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- DOI:
- 作者:
- 刘仁臣
LIU Ren-chen
- 作者单位:
- 西南石油大学 四川成都 610500
Southwest Petroleum University,Chengdu 610500,China
- 关键词:
- 变电站;母线保护;极性;失灵保护;判据
oilfield;transformer substation;bus protection;polarity;malfunction protection;cntenon
- 摘要:
- 根据WMZ-41A型微机母线保护装置的工作原理，结合胜利油田电力管理总公司九分场变电站220kV微机母线保护改造施工中遇到的问题，介绍了WMZ-41A型微机母线保护装置的功能及特点，具体分析了单元极性和失灵判据存在的缺陷和原因，提出了改进技术方案，不但提高了施工调试的技术水平，而且在保护的准确性、系统的稳定性和供电的可靠性上都有了质的飞跃。
According to working principle of WMZ-41A micro-computer bus protector and combiningwith reformation practice,this paper introduces the function and characteristic of WMZ-41A micro-com-puter bus protector,analyzes concretely the fault and reason of element polarity and malfunction criteri-on,and brings forward improving technical scheme.The technique not only raises the technical level ofconstruction debugging,but also brings the quality leap concerning protection veracity,system stabilityand power supply reliability.2006,3(3): 78-80 收稿日期：2006-4-16分类号：TM773作者简介：刘仁臣(1965—），男，山东莱州人，高级工程师，现为西南石油大学在读博士，主要从事油气田开发管理工作。