Title :
Computation of unbalance factors for six-circuit transmission line on the same tower
Author :
Changhui, Yang ; Luyang, Wang ; Yufei, Wang ; Hua, Xue ; Xiu, Yang ; Tianyou, Yan ; Yetong, Huang
Author_Institution :
Dept. of Electr. Power Eng., Shanghai Univ. of Electr. Power, Shanghai, China
Abstract :
The sequence parameters and unbalance factors of six-circuit transmission line with two shield wires on the same tower are computed. Firstly, sequence parameters of six-circuit transmission line are analyzed based on Carson model and image method correspondingly. Secondly, the unbalance factors of six-circuit transmission line are defined in detail. Finally, take a 110kV six-circuit transmission lines as an example, the sequence parameters and unbalance factors are computed using MATLAB. Through comprehensive comparison, the unbalance factors especially through-type electromagnetism unbalance factors for inverse phase sequence are smaller than others. Inverse phase sequence is recommended as the optimum arrangement.
Keywords :
poles and towers; power transmission lines; Carson model; MATLAB; image method; inverse phase sequence; sequence parameters; shield wires; six-circuit transmission line; through-type electromagnetism unbalance factors; unbalance factors computation; voltage 110 kV; Equations; Mathematical model; Poles and towers; Power transmission lines; Transmission line matrix methods; Wires; MATLAB; phase sequence arrangement; sequence parameters; six-circuit transmission lines on the same tower; unbalance factors;
Conference_Titel :
Power Engineering and Automation Conference (PEAM), 2011 IEEE
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-9691-4
DOI :
10.1109/PEAM.2011.6134941
