Capacitor-switching based Method of Network Harmonic Impedance Measurement via TLS-ESPRIT Algorithm
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.
power quality harmonic impedance measurement capacitor switching TLS-ESPRIT DFT
Wu Nan Zha Xiaoming
Jiangsu Electric Power Company Research Institute State Grid Nanjing,China School of Electrical Engineering Wuhan University Wuhan,China
国际会议
重庆
英文
994-998
2017-10-03（万方平台首次上网日期，不代表论文的发表时间）