New live line measurement methods of transmission lines' inductance parameters based on GPS

被引：0

作者：

Hu, ZJ ^{[1
]}

Chen, YP ^{[1
]}

Hu, N ^{[1
]}

Fan, DW ^{[1
]}

Zhong, ZW ^{[1
]}

Hong, ZQ ^{[1
]}

机构：

[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Hubei, Peoples R China

来源：

2004 International Conference on Power System Technology - POWERCON, Vols 1 and 2 | 2004年

关键词：

transmission lines parameters; live line; measurement; phasemode transformation; differential equation; GPS; least square method;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper firstly reviews the incremental method of live line measurement of parameters of transmission tines with mutual inductance. Then, based on GPS technology and differential equations, new live line measurement methods are proposed. The principles and mathematical models of the new methods are explained in detail. Data processing method using least square method is introduced. RTDS simulation results are provided. Finally, an example of live line measuring two 330kV transmission tines with mutual inductance in Northwest China power network is given. The wiring diagram, measurement methods and measuring results are shown. Results of incremental method and differential equations method are compared. The field measurement results prove that the new methods can meet the need of live line measurement of parameters of transmission lines.

引用

页码：63 / 68

页数：6

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