电力系统及其自动化学报2018，Vol.30Issue(6)：73-77,133,6.DOI:10.3969/j.issn.1003-8930.2018.06.011
电气化铁路牵引负荷中负序对有功电能计量方式影响
Effect of Negative-sequence of Electrified Railway Traction Load on Active Electric Energy Metering
摘要
Abstract
In this paper,the negative-sequence electric energy generated in the electrified railway traction load is adopt?ed as a research object to improve electric energy metering.First,the cause of negative-sequence electric energy is an?alyzed,and the influence of unbalanced load on power system is studied.Then,the problems in active power electric energy metering are discussed,and the concept of positive-sequence active power electric energy metering based on an incentive mechanism is proposed.Finally,a model of traction network with constant power traction load is established. Simulation results show that the symmetrical load can absorb the negative-sequence electric energy,resulting in the de?crease of the imbalance degree of power system;meanwhile,the unsymmetrical load releases the negative-sequence electric energy,which causes the increase of the imbalance degree. The above results verify that the positive-sequence active power metering is more reasonable .关键词
负序电能/电能计量方式/恒功率牵引负荷/正序有功功率Key words
negative-sequence power/electric energy metering/traction load of constant power/positive-sequence ac⁃tive power分类
信息技术与安全科学引用本文复制引用
徐莘,解绍锋,侯东光..电气化铁路牵引负荷中负序对有功电能计量方式影响[J].电力系统及其自动化学报,2018,30(6):73-77,133,6.基金项目
中国铁路总公司重大科技项目(2015J005-A) （2015J005-A）
中铁第四勘察设计院科技开发项目2015 （）
广州地铁科技开发项目2016 （）
