瞬时无功功率理论的谐波检测法及PSCAD/EMTDC仿真  

Instantaneous Reactive Power Theory for Harmonic Current Detection Method & PSCAD/EMTDC Simulation

作　　者：李东东[1] 易桂平[1] 

机构地区：[1]上海电力学院上海市电站自动化技术重点实验室,上海200090

出　　处：《电气自动化》2009年第6期70-73,共4页Electrical Automation

基　　金：国家自然科学基金资助项目(50807035);上海市重点科技攻关计划项目资助(071605123);上海市重点学科建设项目资助(P1301);上海市教委重点学科建设项目资助(J51301)

摘　　要：介绍了瞬时无功功率理论的原理及其在电力有源滤波器谐波检测中的应用。利用PSCAD仿真软件,对基于瞬时无功功率理论谐波检测方法进行了仿真研究,并对仿真结果进行了分析。仿真结果表明:瞬时无功功率理论谐波检测方法可以准确、实时地检测出有源滤波器中的谐波电流,可为抑制谐波提供可靠的谐波电流分量。The instantaneous reactive power principle and its applications in harmonics detection of power active filter are presented. A research on simulation of harmonic detection method based on instantaneous reactive power theory is carried out by the PSCAD simulation software, and a analysis of the simulation result is presented. The simulation results show that instantaneous reactive power theory for harmonics detection can detect the harmonic current of active power filter accurately, real-time and supply reliable harmonic current component for harmonic restraint.

关 键 词：瞬时无功功率理论 谐波检测 PSCAD仿真 

分 类 号：TM743[电气工程—电力系统及自动化]