Power feed system in transmission line between terminals of thre

Details Power feed system in transmission line between terminals of thre Power feed system in transmission line between terminals of thre

1988-02-02

1989-01-17

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

307 45, 361 71, 361119, 370 15, 379 2, 379348, H02J 336, H04B 344

Patent

active

047989696

ABSTRACT:
A transmission line between terminals of a three-terminal station is branched by a branching unit and power is transmitted between the terminals of the three-terminal station and a power feed system in the transmission line including: a switch for switching a power feed line feeding power to a repeater between a both-end power feed mode and a single-end power feed mode; and connection holding means for holding a power feed connection state without change upon an occurrence of a failure.

REFERENCES:
patent: 3644787 (1972-02-01), Hamilton
patent: 3860769 (1975-01-01), Pachynski
patent: 3868484 (1975-02-01), Bolton et al.
patent: 4419591 (1983-12-01), Irokawa et al.
patent: 4451708 (1984-05-01), Kemler et al.
patent: 4621198 (1986-11-01), Roberge et al.
patent: 4679115 (1987-07-01), Connan et al.
patent: 4724391 (1988-02-01), Blahous

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