| 一种基于瞬时无功功率理论的谐波电流实时检测新算法 |
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| 引用本文： | 缑新科,李俊勤. 一种基于瞬时无功功率理论的谐波电流实时检测新算法[J]. 工矿自动化, 2010, 36(11) |
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| 作者姓名： | 缑新科 李俊勤 |
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| 摘 要： | 介绍了传统的基于瞬时无功功率理论的ip-iq谐波电流检测算法;针对谐波检测环节产生的时延问题,提出了一种基于传统的瞬时无功功率理论、通过增加预置补偿角来消除时延的谐波电流实时检测新算法。Matlab动态仿真结果表明,利用增加预置补偿角的新算法进行谐波检测补偿效果较好,补偿后的电流波形接近正弦波,实现了谐波的实时检测,验证了该算法的可行性和有效性。
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| 关 键 词： | 谐波电流 实时检测 有源滤波器 瞬时无功功率 预置补偿角 时延 |
A New Algorithm of Real-time Detection of Harmonic Current Based on Instantaneous Reactive Power Theory |
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| GOU Xin-ke,LI Jun-qin. A New Algorithm of Real-time Detection of Harmonic Current Based on Instantaneous Reactive Power Theory[J]. Industry and Automation, 2010, 36(11) |
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| Authors: | GOU Xin-ke LI Jun-qin |
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| Abstract: | The paper introduced traditional detection algorithm of harmonic current of i_p-i_q based on instantaneous reactive power theory.In view of time delay caused by harmonic current detection link,it put forward a new algorithm of real-time detection of harmonic current through adding pre-compensation angles to eliminate time delay based on traditional instantaneous reactive power theory.The dynamic simulation result of Matlab proved that the new algorithm has good compensation effect,which makes the compensated current waveform close to sine wave and realizes real-time detection of harmonic.The simulation results also showed feasibility and effectiveness of the new algorithm. |
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| Keywords: | harmonic current real-time detection active power filter instantaneous reactive power pre-compensation angle time delay |
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