铁道科学与工程学报2017，Vol.14Issue(5)：1063-1069,7.
城市轨道主变电所无功补偿装置容量评估
Capacity evaluation of reactive power compensation device in the main substation of urban rail transit
摘要
Abstract
The urban rail transit power supply system usually adopts the centralized reactive compensation method of installing the SVG device in the main substation 35 kV bus to improve the power factor. This paper was based on the measured data of the main transformer substation in Chengdu metro, and analyses harmonics voltage, reactive power and power factor at PCCs of the main substation under two different scenarios of the SVG device that has been put into operation and removal conditions. The SVG compensation characteristics were evaluated. When the reactive power compensation devices are out of service, full-day power factors at PCCs are 0.445 and 0.710. After operating SVG devices, full day power factors are improved to 0.998 and 0.967 respectively. The 3, 5 and 11 harmonics voltages of the main transformer substation are reduced. Using full-day power factor of 0.95 as rule, the installed capacity of main substation reactive power compensation device are evaluated, which indicated that reactive power compensation device of 35 kV I segment has a larger total capacity margin.关键词
静止型动态无功补偿装置/无功补偿/功率因数/安装容量Key words
SVG (Static Var Generator)/reactive power compensation/power fact/installed capacity分类
信息技术与安全科学引用本文复制引用
王沛沛,刘炜,廖钧,许嘉轩,马俊杰,代一平..城市轨道主变电所无功补偿装置容量评估[J].铁道科学与工程学报,2017,14(5):1063-1069,7.基金项目
中国铁路总公司科技研究开发计划资助项目(2015J005-A) （2015J005-A）
