System for transmitting electrical energy having at least one un

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...

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174 24, 174 28, 405184, F16L 100

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058607684

ABSTRACT:
The system serves to transmit electrical energy in conurbations. It has a gas-insulated cable (1) having at least one high-voltage electrical conductor (8) arranged in a pipe (101) filled with insulating gas. The gas-insulated cable (1) contains at least two underground cable sections (11, 12), which can be operationally interconnected at an installation point (5) accessible from the outside. Such a system is distinguished by high availability, is easy to maintain and can be produced in a method in which impairment of the infrastructure of the conurbation accommodating the system is largely prevented.

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"Flexible Gas-Insulated Cable for 230 kV, 345 kV and 500 kV", Miller, et al., IEEE Transactions on Power Apparatus and Systems, vol. PAS-103, No. 9, Sep. 1984.
"Cooling Underground E.H.V. Cables", Hitchcock, et al., Electrical Review, Dec. 24, 1965, pp. 946-950.

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