ELF magnetic field measurement and calculation in 500kV gas insulated substation

被引：0
|
作者：
Sakai, K [1 ]
Kato, K [1 ]
Okubo, H [1 ]
Matsumoto, A [1 ]
机构：
[1] Nagoya Univ, Dept Elect Engn, Nagoya, Aichi 464, Japan
来源：
IEEE/PES TRANSMISSION AND DISTRIBUTION CONFERENCE AND EXHIBITION 2002: ASIA PACIFIC, VOLS 1-3, CONFERENCE PROCEEDINGS: NEW WAVE OF T&D TECHNOLOGY FROM ASIA PACIFIC | 2002年
关键词：
extremely low frequency (ELF) magnetic field; measurement of magnetic field; gas-insulated substation; induced current; finite element method (FEM);
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：
In this paper, we discussed the extremely low frequency (ELF) magnetic field environment in a 500kV/275kV gas insulated substation. We investigated magnetic field distribution around 3-phase GIS (Gas Insulated Switchgear) by comparing the measurement results with calculation using finite element method (FEM). By simultaneous measurement of conductor current, we could have very good agreement of calculation results with measurement one. Particularly, the drastic mitigation of magnetic field with distance from GIS was characterized and quantified by comparing the one in open-air substation. In addition, the magnetic field distribution in GIS was discussed by analyzing the influence of induced current distribution in GIS sheath. From the results, we characterized the distinct features of magnetic field distribution in 500kV/275kV gas insulated substation by comparing another type substations.
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页码：1220 / 1225
页数：6
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