电力系统及其自动化学报2019，Vol.31Issue(1)：124-131,8.DOI:10.3969/j.issn.1003-8930.2019.01.020
负序和谐波条件下电能计量方式合理性分析
Rationality of Electric Energy Metering with Negative-sequence and Harmonic
摘要
Abstract
At present,electric energy metering is still controversial under situations with negative-sequence and har?monic. In this paper,electrified railway is taken as a research object,and the current definitions including power fac?tor,arithmetic power factor,vector power factor and equivalent power factor,are introduced from the aspect of adjust?ing electricity charge with power factor;in addition,the rationality of the definition of power under negative-sequence and harmonic conditions is also compared and analyzed. Finally,the application characteristics of different apparent power definition methods were analyzed based on simulation and measurement data. The results showed that the equiva?lent apparent power factor can better reflect the influences of negative-sequence and harmonic in the traction power supp-ly system on the power grid,and its applicability and rationality are much more wider.关键词
谐波/负序/电能计量方式/功率因数/电费Key words
harmonic/negative-sequence/electric energy metering/power factor/electricity charge分类
信息技术与安全科学引用本文复制引用
何昆,徐莘..负序和谐波条件下电能计量方式合理性分析[J].电力系统及其自动化学报,2019,31(1):124-131,8.基金项目
南方电网公司科技资助项目(GZM2014-2-0038) （GZM2014-2-0038）
