Direct current transmission and method of operating the same

Details Direct current transmission and method of operating the same Direct current transmission and method of operating the same

1975-03-13

1976-07-06

Shoop, William M.

H02M 700

Patent

active

039684199

ABSTRACT:
In the operation of a bipolar direct-current transmission system having bipolar convertor stations with earthed center taps and transmission lines connecting the stations, one for each polarity, in which system in the event of disconnection of one pole of the stations the corresponding pole of the transmission line is connected as a return conductor for the remaining pole, in order to load the return connector with current and discharge the ground connections between the stations, the current of the corresponding pole in one of the stations is increased to the same value as the pole in operation, and thereafter the ground connection of such corresponding pole is interrupted.

REFERENCES:
patent: 3536985 (1970-10-01), Ekstrom
patent: 3543045 (1970-11-01), Hammarlund et al.

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