电测与仪表2016，Vol.53Issue(23)：78-83,89,7.
背景谐波阻抗变化情况下的谐波责任划分
Harmonic contributions determination on condition of changing background harmonic impedance
摘要
Abstract
In practical power system, background harmonic impedance often changes owing to switching loads , and the present researches on the harmonic contributions determination based on constant background harmonic impedance are not applicable in this case.The paper studies the determination of harmonic contributions on condition of changing background harmonic impedance.The slope comparison method, which adopts the relationship of harmonic voltage and harmonic cur-rent , is proposed to segment the sample data adaptively .In the same segment , geometric mean regression is adopted to esti-mate the background harmonic impedance accurately .Thus, the segmental harmonic contributions are determined .Addi-tionally, a total harmonic contribution index is established to effectively measure the harmonic contribution of customer . Simulations are carried on the simple Norton-equivalent circuit to validate the proposed method , and the proposed method is compared with traditional methods , which prove the effectiveness and accuracy of the method .关键词
背景谐波阻抗/谐波责任/分段/斜率比较法/几何平均回归Key words
background harmonic impedance/harmonic contributions/segmentation/slope comparison method/geo-metric mean regression分类
信息技术与安全科学引用本文复制引用
马智远,许中,黄裕春,陈静,臧天磊..背景谐波阻抗变化情况下的谐波责任划分[J].电测与仪表,2016,53(23):78-83,89,7.基金项目
国家自然科学基金资助项目（51407150）；四川省科技支撑计划项目 （）
