Hybrid dual voltage transmission system

Details Hybrid dual voltage transmission system Hybrid dual voltage transmission system

1978-12-20

1980-08-26

Askin, Laramie E.

Electrical transmission or interconnection systems

Conductor arrangements or structure

174 40R, 174 41, H02G 720

Patent

active

042197422

ABSTRACT:
A high power high voltage transmission system consists of three highvoltage cables which are suspended from a transmission tower in insulated relationship with one another and with respect to the ground. Each of the cables is shown as a gas-insulated cable having a central high voltage conductor and an outer conductive housing which is insulated from the central conductor. The line-to-line voltage of the central conductors of each of the high voltage cables is 765 kV, while the potential between the outer conductive housings of each of the cables is 345 kV. The total right of way and height of the support tower is that needed for a conventional 345 kV transmission system even though the system is used to transmit 765 kV line-to-line voltage.

REFERENCES:
patent: 409565 (1889-08-01), DeFerranti
patent: 3869621 (1975-04-01), Wilson

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