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Reliability Assessment of EHV Gas-Insulated Transmission Lines: Effect of Redundancies
IEEE Transactions on Power Delivery, 2008 This paper deals with the reliability analysis of gas-insulated transmission lines (GIL). Two scheme alternatives of a GIL system have been investigated from a reliability standpoint. These configurations are of basic interest since they recognize how reliability performance may be improved by introducing redundancies at either the system level or at ...
BENATO, ROBERTO, NAPOLITANO D.
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Insulation Design of Superconducting Gas Insulated Transmission Line
2020To improve the insulation performance of superconducting gas insulated transmission line (S-GIL), this chapter puts forward the two E-field regulating methods: E-field adaptive insulator and surface functional graded material (SFGM) insulator. The two simulation models of insulator in S-GIL are completed for optimize the E-field distribution of ...
Boxue Du +4 more
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Advanced Dielectrics for Gas-Insulated Transmission Lines [Editorial]
IEEE Transactions on Dielectrics and Electrical Insulation, 2018High voltage alternating current (HVAC) gas-insulated transmission lines (GILs) have been successfully used as an alternative solution to overhead lines and cables for more than 40 years. GIL can be laid directly buried, in a passable or non-passable tunnel or on a gantry. GIL solutions offer different advantages, such as high current-carrying capacity,
Chuanyang Li, Jinliang He
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Basic properties of hybrid gas‐insulated transmission lines (H‐GIL)
Electrical Engineering in Japan, 1997The recent trend in electric power consumption shows a steady increase and concentration in large cities and industrial districts. This indicates a strong need for a long-distance and enclosed-type power transmission line with large capacity and high reliability.
Masafumi Yashima +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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Applications of Gas Insulated Transmission Lines (GIL)
2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, 2008This paper discusses the direct buried systems in the Hudson Generation station in NJ, Extensive tunnel installations of a SF6/N2 GIL in Geneva and development test installations for direct buried SF6/N2 GIL designs. The following examples show other applications: connections in power plants, line or transformer connections in gas insulated substation,
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Insulation co-ordination for gas-insulated transmission lines (GIL)
IEEE Transactions on Power Delivery, 2001For the transmission of high power over long distances underground the gas-insulated transmission lines (GIL) are a good technical solution as an alternative to an overhead line and in addition to cables. The GIL has two main advantages: low resistive losses because of large cross section of the conductor and enclosure and low capacitive load because ...
O. Volcker, H. Koch
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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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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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