Transmission line interconnecting system

Details Transmission line interconnecting system Transmission line interconnecting system

1979-10-11

1981-12-22

Shoop, William M.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 35, 363 37, 323207, H02H 712, H02J 336

Patent

active

043074421

ABSTRACT:
A transmission line interconnecting system including an AC-DC converter connected to a first transmission line; and a forced-commutated type inverter connected to a second transmission line. DC terminals of the AC-DC converters and the forced commutated type inverter are connected and the output voltage of the forced commutated type inverter is varied by controlling DC voltage to feed a reactive power to the second transmission line in a normal state and to feed an active power from the first transmission line through the AC-DC converter and the forced excited type inverter to the second transmission line in an emergency state.

REFERENCES:
patent: 3801895 (1974-04-01), Kanngiesser
patent: 3949291 (1976-04-01), Kanngiesser et al.
patent: 4151585 (1979-04-01), Bowles
patent: 4173780 (1979-11-01), Hausler et al.
"Economic Supply of a Reactive Power for H.V.D.C. Invertor Stations", by F. Buseman, Direct Current, Jun. 1954, pp. 8-15.
"Die Zwangskommutierung, Ein Neurer Zweig der Stromrichter-Technik" by Von Ludwig Abraham and Floris Koppelmann, ETZ, Hett 18, Bd. 87, Sep. 2, 1966, pp. 649-658.

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