【摘要】 本文在介绍瞬时无功功率算法及其改进算法的基础上,通过仿真比较了该算法对瞬态信号的适应能力,指出在瞬时无功功率法谐波检测方法中,使用均值滤波器和重采样理论,既可以减少计算量、提高响应速度,同时对瞬态信号也具有较好的跟踪能力。更多还原

【Abstract】 This paper introduces the instantaneous reactive power algorithm and its improvement algorithm for harmonic detection and compares with adaptabilities for the instantaneous signal, and points out that the mean filter and re-sampling theory used in the instantaneous reactive power method for the harmonic detection method could reduce the calculation, increase the response speed and have better tracking ability for the dynamic signal.更多还原