电气化铁道
電氣化鐵道
전기화철도
ELECTRIC RAILWAY
2012年
2期
1-4
,共4页
主变差动保护%三相V/v接线%极性
主變差動保護%三相V/v接線%極性
주변차동보호%삼상V/v접선%겁성
main transformer potential protection%three phase V/v connection%polarity
阐述牵引变电所三相V/v接线牵引变压器差动保护极性的影响因素及其校验方法（微机保护的极性、主变压器的极性和电流互感器的极性3方面）,分析了包西线某牵引变电所主变压器设计和接线的缺陷,提出并验证了三相V/v接线牵引变压器差动保护接线方式的正确性。
闡述牽引變電所三相V/v接線牽引變壓器差動保護極性的影響因素及其校驗方法（微機保護的極性、主變壓器的極性和電流互感器的極性3方麵）,分析瞭包西線某牽引變電所主變壓器設計和接線的缺陷,提齣併驗證瞭三相V/v接線牽引變壓器差動保護接線方式的正確性。
천술견인변전소삼상V/v접선견인변압기차동보호겁성적영향인소급기교험방법（미궤보호적겁성、주변압기적겁성화전류호감기적겁성3방면）,분석료포서선모견인변전소주변압기설계화접선적결함,제출병험증료삼상V/v접선견인변압기차동보호접선방식적정학성。
The paper illustrates the factors affecting the potential protection polarities of the V/v connected traction transformer in traction substation and the correction methods （in terms of three aspects including the polarity of the macro-computer protection, polarity of main transformer and polarity of the current transformer）, analyzes the defects of design and wire connection for the main transformer in a traction substation in Baotou-Xi’an railway line, puts forward and verifies the correctness of the three phase V/v connected traction transformer potential protection wiring mode.
