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文章摘要

基于Emanuel功率理论的多谐波源责任划分

Responsibility Distinction for Multiple Harmonic Sources Based on Emanuel Power Theory

Received:August 26, 2019 Revised:August 26, 2019

DOI：10.19753/j.issn.1001-1390.2021.01.011

中文关键词: 谐波责任电压畸变度电流畸变度畸变功率 Emanuel功率理论

英文关键词: harmonic?responsibility, voltage distortion?degree, current?distortion?degree, distortion?power, Emanuel?power?theory

基金项目:国家自然科学基金项目（51307020 ）

Author Name	Affiliation	E-mail
Bai Xiangfei^*	School of Northeast Electric Power University	baixiangf1010@163.com
Wang Jianyuan	School of Northeast Electric Power University	1946845307@qq.com

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中文摘要:

针对传统谐波责任划分方法的普适性问题，提出一种适应现代配电网复杂工况下谐波责任综合划分指标。从非线性负荷本质上提出了一种新的电压畸变度指标和电流畸变度指标，规避了背景谐波的影响并解决了投影法存在的分歧，谐波责任划分明确。通过分析电网公共连接点畸变功率与系统功率的内在联系，在Emanuel视在功率分解的基础上，以用户侧电流为主导归算谐波复功率交叉项，算出总谐波有功功率责任和总谐波无功功率责任，实现谐波功率责任量化。仿真和实验算例验证了所提方法的有效性和优越性。

英文摘要:

A?comprehensive?division?index?is?proposed?to?adapt?to?the?complex?working?conditions?of?modern?distribution?network，which?aims?at?solving?the?universal?harmonic?responsibility?problems.Firstly，?a?new?voltage?distortion?index?and?a?current?distortion?index?are?proposed?from?the?essence?of?nonlinear?load，?which?avoids?the?influence?of?background?harmonics?and?solves?the?differences?existing?in?projection?method.Secondly，the?realization?of?the?quantification?of?harmonic?power?responsibility?is?achieved?by?calculating?the?total?harmonic?active?power?responsibility?and?total?harmonic?reactive?power?responsibility.We?analyzed?the?internal?relationship?between?the?distorted?power?of?the?common?connection?points?of?the?Grid?and?the?system?power?on?the?basis?of?Emanuel?Power?Decomposition?with?the?cross?term?of?harmonic?complex?power?as?the?leading?factor?in?terms?of?the?user-side?current.Finally，?the?simulations?and?experimental?examples?verify?the?rationality?and?superiority?of?the?proposed?index.

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