Title :
A study of parameters live measurement of transmission lines with mutual-inductance based on GPS
Author :
Chen, Yunping ; Hu, Zhijian ; Zhang, Chengxue
Author_Institution :
Sch. of Electr. Eng., Wuhan Univ. of Hydraulic & Electr. Eng., China
Abstract :
The formula calculating method and the conventional measurement method of zero sequence self- and mutual-impedance of transmission lines with mutual inductance are reviewed. Then the principles and mathematical models of zero-sequence parameter live measurement method of transmission lines with mutual inductance based on GPS technology are presented together with key techniques, hardware structure and software algorithm of the measurement system. Finally, field measurement results with the three different methods are given. Theoretical analysis and field measurement results prove that this new measurement method proposed in the paper is correct, effective and efficient
Keywords :
Global Positioning System; electric impedance measurement; inductance; power system measurement; power transmission lines; GPS; GPS technology; hardware structure; mathematical models; mutual-inductance; parameter identification; parameters live measurement; software algorithm; transmission lines; zero sequence mutual-impedance; zero sequence self-impedance; Current measurement; Global Positioning System; Impedance measurement; Inductance measurement; Power system protection; Power system reliability; Power transmission lines; Transmission line measurements; Transmission line theory; Voltage;
Conference_Titel :
Power Engineering Society Winter Meeting, 2000. IEEE
Print_ISBN :
0-7803-5935-6
DOI :
10.1109/PESW.2000.847302
