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요약정보
城市轨道交通牵引变电所健康状态综合评估 / Comprehensive Evaluation of Urban Rail Transit Traction Substation Health Status
Resource Type
Academic Journal
Authors
裴丽君
;
章达
;
蔡彬彬
;
赵晨
;
张长开
;
谢晨琳
;
PEI Lijun
;
ZHANG Da
;
CAI Binbin
;
ZHAO Chen
;
ZHANG Changkai
;
XIE Chenlin
Source
城市轨道交通研究 / Urban Mass Transit
. 26(6):17-23
Subject
城市轨道交通
牵引变电所
健康状态
评估
Language
Chinese
ISSN
1007-869X
Online Access
Find it @ DONGA
초록
为提高城市轨道交通牵引变电所的可靠性,选取TEV(局部放电检测)瞬时值、超声波瞬时值、SF6(六氟化硫)气压表压力、SF6气压表温度、SF6气压表密度、开关触头温度和电缆接头温度作为牵引变电所SF6开关柜的评价指标,建立牵引变电所健康状态综合评价模型.以我国东部某城市轨道交通公司建立的牵引变电所示范站为研究对象,整理和归纳牵引变电所在实际运行中各项评价指标的实时监测数据并对其进行分析,采用层次分析法和熵权法相结合的方法确定其权重,得出对牵引变电所健康状态影响较大的评价指标;对该牵引变电所在不同时段的健康状态评分.结果表明:在SF6开关柜的影响因素中,开关触头温度对牵引变电所健康状态影响较大;我国南方地区在每年的2、3、4月份气候最为潮湿,7、8月份气温较高,不利于城轨牵引变电所的健康运行.建议在牵引变电所的运营中,应着重做好开关触头温度的监测工作,同时做好牵引变电所的检修和维护,以提升牵引变电所的健康状态,确保牵引变电所处于良好的运行环境之中.
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