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[1]张晓冰,李云辉,曹伟.基于功率潮流分析的电能计量新方法[J].电机与控制学报,2016,20(06):87-93.
 ZHANG Xiao-bing,LI Yun-hui,CAO Wei.Method of active power measurement under condition of distortion signal[J].,2016,20(06):87-93.
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基于功率潮流分析的电能计量新方法(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
20
期数:
2016年06
页码:
87-93
栏目:
出版日期:
2017-03-08

文章信息/Info

Title:
Method of active power measurement under condition of distortion signal
作者:
张晓冰李云辉曹伟
( 哈尔滨理工大学 测控技术与通信工程学院,黑龙江 哈尔滨 150080)
Author(s):
ZHANG Xiao-bing LI Yun-hui CAO Wei
 ( College of Measurement and Communication,Harbin University of Science and Technology, Harbin 150080,China)
关键词:
电能计量 功率潮流 泛函级数 负载模型 小波分析
Keywords:
electrical energy measurement power flow functional series model of power load wavelet transform
分类号:
TM 933. 3
DOI:
-
文献标志码:
A
摘要:
针对非平稳畸变信号条件下电能准确合理计量问题,在非线性负载泛函级数模型的基础 上,进行了功率潮流分析并提出畸变信号条件下电能计量新方法。根据泛函级数理论中 Wiener 核 与 Volterra 核转换定理求得负载的 Volterra 核,应用 Volterra 级数理论将正弦输入信号条件下负载 输出电流与电压用 Volterra 泛函级数表示。利用小波分解与重构算法对电流与电压信号进行分解 与重构,求出功率潮流分析所需电流与电压的基波分量与畸变分量。结合 IEEE-Std1459 - 2010 标 准定义,以半导体整流器、电力机车及两者组成的复合系统为例,对非线性负载进行功率潮流分析, 依据各功率潮流的物理意义及潮流方向,提出畸变信号条件下电能计量新方法。仿真结果表明非 线性负载功率潮流仿真结果与理论结果一致,基于功率潮流分析的电能计量新方法能够实现畸变 信号条件下电能的合理计量。
Abstract:
For the problem of electrical energy measurement under the condition of non-stationary distor-tion signal,the power flow of the non-linear power load was analyzed based on the functional series mod-els and a novel method of electrical energy measurement under the condition of distortion signal was pres-ented. The Volterra kernel was calculated with Wiener kernel of non-linear power load on the conversion theorem of Wiener kernel and Volterra kernel. Then the output signal of sine input signal was expressed with Volterra functional series. The fundamental component and distortion component of current and volt-age for power flow analysis was acquired with the decomposition and reconstruction of current and voltage signal using wavelet theory. The power flow analysis of non-linear power load was completed with the exam-ples of semiconductor rectifiers,electric locomotives and their composition,following the IEEE-Std1459-2010 standard. A new method of power measurement under the condition of distortion signals is raised ac-cording to the physical meaning and flow direction of the electrical energy flow. The simulation results show consistency with theoretical result. This proves the new method based on the power flow analysis can imple-ment the reasonable measurement of the electrical energy under the condition of distortion signal.

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备注/Memo

备注/Memo:
收稿日期: 2014 - 10 - 16
基金项目: 国家自然科学基金( 51277043)
作者简介: 张晓冰( 1962—) ,女,博士,教授,研究方向为电气测量技术及仪器、现代信号处理;
李云辉( 1987—) ,男,硕士研究生,研究方向为电气测量技术及仪器、现代信号处理;
曹 伟( 1963—) ,男,教授,研究方向为电气测量技术及仪器、工业自动化仪表。
更新日期/Last Update: 2016-08-20