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Electric field analysis of insulating spacers for a superconducting gas-insulated transmission line
2018 12th International Conference on the Properties and Applications of Dielectric Materials (ICPADM), 2018An essential component of the new superconducting power cable concept called Superconducting Gas Insulated Line (S-GIL) is the insulating spacer that ensures the position in the center axis of the cylindrical, grounded cryostat. The material choices and the design topologies for the insulating spacers are presented for both the rigid and flexible ...
P. Cheetham +5 more
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Gas insulated transmission lines for high power transmission over long distances
Proceedings of EMPD '98. 1998 International Conference on Energy Management and Power Delivery (Cat. No.98EX137), 2002The gas-insulated transmission line (GIL) has been optimised for the needs of the 21st Century, where high-power transmission lines are needed and overhead lines are often not suitable. It will be used as a power feeder into huge metropolitan areas because energy resources are usually far away from the load centre.
T. Hillers, H. Koch
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Development of Compact 500 KV 8000 A Gas Insulated Transmission Line Study on Insulation Design
IEEE Power Engineering Review, 1984This paper describes the results of a study on insulation design performed in the development of a compact 500 kv 8000 A gas insulated transmission line (GIL). By adopting new design criteria (SF6 gas pressure: 0.6 MPa, allowable conductor temperature: 105 °C, insulator working stress: 5 kVeff/mm) instead of using conventional criteria (0.35 MPa, 90°C,
T. Kobayashi +6 more
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Basic information on Gas Insulated Transmission lines (GIL)
2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, 2008The GIL is a transmission system for the transmission of high power levels over long distances, to solve specific routing or access problems, or as connections in power plants, and substations. Current ratings of 4000 Amps or more per circuit and distances of several kilometers are possible.
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Metallic particles in DC gas-insulated transmission lines
Journal of Physics D: Applied PhysicsAbstract Metallic particles have a significant influence on the insulation reliability of DC gas-insulated transmission lines (GILs). This paper first outlines metallic particles in GIL, predominantly in spherical, linear-like, and dust forms, from the perspectives of electrodynamic forces and motion characteristics. Then, the mechanisms
Weijian Zhuang +10 more
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Application of the world's longest gas insulated transmission line (GIL)
2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491), 2004This paper describes the Shinmeika-Tokai line's design, fabrication and construction. This important power supply line delivers power from the thermal power station to the center of Nagoya via the substation. The entire line is laid in an underground tunnel at the depth of approximately 30 m and which contains curves with a minimum radius of curvature ...
S. Kobayashi, N. Takinami, A. Miyazaki
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Application of the world's longest gas insulated transmission line in Japan
Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials (Cat. No.03CH37417), 2004In this paper we describe the SF/sub 6/ gas insulated transmission line (GIL) applied to the 275 kV Shinmeika-Tokai line, which is designed to transport 2,850 MW in a 3.3 km tunnel. To transport this large electric power, two circuits are needed for GIL.
N. Takinami, S. Kobayashi, A. Miyazaki
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Management of gas-insulated transmission lines magnetic fields
11th International Symposium on High-Voltage Engineering (ISH 99), 1999Recent worldwide attention to the harmful effects of magnetic fields emanating from power lines resulted in a growing motivation to develop methods for magnetic field mitigation aiming at reducing the possibilities of such hazards. In densely populated areas, gas-insulated transmission lines or cables offer an attractive alternative to overhead ...
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Underground Power Transmission and Gas-Insulated Transmission Lines
2023Turan Gönen, Yunhe Hou
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Magnetic fields around gas-insulated transmission lines crossing
2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262), 2001Gas-insulated transmission lines or cables (GITL), owing to their compact nature, offer an attractive alternative to overhead transmission lines where space is limited, such as in densely urban areas. Consequently, it is important to address the issue of power frequency magnetic fields emanating from GITL because of concerns that exposure to these ...
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