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Capacitor-switching based Method of Network Harmonic Impedance Measurement via TLS-ESPRIT Algorithm

机译:基于电容器切换方法通过TLS-ESPRIT算法进行网络谐波阻抗测量方法

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Capacitor-switching operation can be used to measure network harmonic impedance. Via the transient components of voltage and current after capacitor switching, the harmonic impedance of PCC (Point of Common Coupling) can be calculated. To improve measurement accuracy, the TLS-ESPRIT algorithm is introduced in this paper to filter out noise and fundamental components in voltage and current signals. Via time domain simulations, the advantages of the proposed method in the ability of noise interference resistance and measurement accuracy, are verified compared with the Prony algorithm based method.
机译:电容器切换操作可用于测量网络谐波阻抗。通过电容器切换后电压和电流的瞬态组件,可以计算PCC(公共耦合点)的谐波阻抗。为了提高测量精度,本文介绍了TLS-ESPRIT算法,以滤除电压和电流信号中的噪声和基本组件。通过时域模拟,与基于掌算法的方法相比,验证了噪声干扰电阻能力和测量精度的能力中所提出的方法的优点。

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