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基于瞬时无功功率理论的谐波检测新方法
引用本文:周林,甘元兴,雷鹏,周莉. 基于瞬时无功功率理论的谐波检测新方法[J]. 高电压技术, 2005, 31(10): 67-69,90
作者姓名:周林  甘元兴  雷鹏  周莉
作者单位:重庆大学电气工程学院高电压与电工新技术教育部重点实验室,重庆400044;重庆大学电气工程学院高电压与电工新技术教育部重点实验室,重庆400044;重庆北碚供电局,重庆400044
基金项目:教育部“春晖计划”资助;重庆市科技计划资助;重庆大学骨干教师资助.
摘    要:介绍了几种基于瞬时无功功率及谐波检测理论新方法的基本原理及其各自的优、缺点,其中改进算法本身包括加PI调节器、并行检测方式、加时间延迟角、优化滤波器设计、重采样法等多种方法;与其它检测法混合使用的新方法包括在算法中引入神经网络控制方式处理锯齿波抖动,引入平均功率理论减少复杂的矢量变换,并讨论了瞬时无功理论用于单相电路谐波治理的情况。

关 键 词:瞬时无功功率理论  检测精度  实时性
文章编号:1003-6520(2005)10-0067-03
收稿时间:2004-09-24
修稿时间:2004-09-24

Novel Harmonics Detecting Methods Based on the Instantaneous Reactive Power Theory
ZHOU Lin,GAN Yuanxing,LEI Peng,ZHOU Li. Novel Harmonics Detecting Methods Based on the Instantaneous Reactive Power Theory[J]. High Voltage Engineering, 2005, 31(10): 67-69,90
Authors:ZHOU Lin  GAN Yuanxing  LEI Peng  ZHOU Li
Affiliation:1. The Key Laboratory of High Voltage Engineering and Electrical New Technology of Ministry of Education, College od Electrical Engineering, Chongqing University, Chongqing 400044, China;2. Chongqing Beibei Power Supply Bureau, Chongqing 400044, China
Abstract:Some novel harmonics detecting methods based on the instantaneous reactive power(IRP) theory are introduced. And emphases are placed on basic principles, advantages and disadvantages of different methods. Improved algorithm ways are presented ,for example, adding PI regulator to reduce system's dependence on parameters precision; using a parallel detecting manner to detect harmonics; by means of time delay angle and optimizing filters design to improve detecting precision; applying resampling method to lessen computation. Moreover, some ways coupled with other detecting methods are presented as well, such as using the IRP-ANN hybrid control method to solve chattering problem of jagged wave; adopting the average power theory to lessen complex vector transformation. Furthermore, the IRP used in single-phase circuit is discussed.
Keywords:instantaneous reactive power theory    detecting precision   real-time nature
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