电子设计工程
電子設計工程
전자설계공정
ELECTRONIC DESIGN ENGINEERING
2011年
14期
114-116
,共3页
快速切换装置%热电厂%电压%负荷%容量
快速切換裝置%熱電廠%電壓%負荷%容量
쾌속절환장치%열전엄%전압%부하%용량
fast switching devices%thermal power plant%voltage%load%capacity
热电厂厂用6 kVⅢ段备用电源切换装置在运行切换中易发生失电故障,对热电厂安全运行形成重大隐患。且热电负荷难以平衡,经常引发电网、热网波动事故。本文设计了电源快速切换技术,采用基于现代多功能保护和控制的REF542plus平台的微处理系统的SUE3000快切装置,该装置具有快速切换、首次同相切换和残压切换等功能,可极大地提高热电厂电力系统的安全性,从而确保热电厂电力系统的有效运行。
熱電廠廠用6 kVⅢ段備用電源切換裝置在運行切換中易髮生失電故障,對熱電廠安全運行形成重大隱患。且熱電負荷難以平衡,經常引髮電網、熱網波動事故。本文設計瞭電源快速切換技術,採用基于現代多功能保護和控製的REF542plus平檯的微處理繫統的SUE3000快切裝置,該裝置具有快速切換、首次同相切換和殘壓切換等功能,可極大地提高熱電廠電力繫統的安全性,從而確保熱電廠電力繫統的有效運行。
열전엄엄용6 kVⅢ단비용전원절환장치재운행절환중역발생실전고장,대열전엄안전운행형성중대은환。차열전부하난이평형,경상인발전망、열망파동사고。본문설계료전원쾌속절환기술,채용기우현대다공능보호화공제적REF542plus평태적미처리계통적SUE3000쾌절장치,해장치구유쾌속절환、수차동상절환화잔압절환등공능,가겁대지제고열전엄전력계통적안전성,종이학보열전엄전력계통적유효운행。
Standby power switching devices 6 kVⅢ of thermal power plant easily occurred loss of power failure in the switching,it will form a major hazard to safe operation of thermal power plant.And the thermal load is difficult to balance,which often lead to power and heat network fluctuations accident.This paper has designed power fast switching system based on modern multi-function protection and SUE3000 fast cutting device of the REF542plus platform microprocessor system,which possesses functions of fast switching、first-phase switching and residual voltage switching,and it can be greatly improved security to ensure the effective operation of power system power plant.
