Live Line Measuring the Impedance Parameters of Transmission Lines Based on Interference Sources

被引：1
|
作者：
Xiao, Chengqian [1 ]
Hu, Zhijian [2 ]
机构：
[1] Pingdingshan Power Supply Co, Working Sect Operat, Pingdingshan, Peoples R China
[2] Wuhan Univ, Sch Elect Engn, Wuhan, Peoples R China
来源：
ICEET: 2009 INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENT TECHNOLOGY, VOL 2, PROCEEDINGS | 2009年
关键词：
differential equation method; Global Positioning System; interference measurement method; live line measurement; transmission lines; zero sequence parameters;
D O I：
10.1109/ICEET.2009.276
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：
Based on GPS technology, a new Differential Equation Method (DEM) of live line measuring the parameters of transmission lines with mutual inductance is proposed. The new method uses only the inductance voltages or inductance currents between lines as the measurement sources. No extern voltage source is applied in measurements, so this method can also be called as an interference measurement method. The mathematical model of the new method is explained in detail. An example of live line measuring six 500kV transmission lines with mutual inductances in North-East China power grid is given. Comparison of results between the DEM and the Increment Equation Method (IEM) is also shown. The field measurement results prove that the new method can meet the need of live line measurement of transmission lines' inductance parameters.
引用
收藏
页码：160 / +
页数：2
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