Three-phase filter equipment including standby filter branch for

Details Three-phase filter equipment including standby filter branch for Three-phase filter equipment including standby filter branch for

1995-10-24

1997-09-16

Elms, Richard T.

Electrical transmission or interconnection systems

With harmonic filter or neutralizer

333175, 361113, H02J 102

Patent

active

056684185

ABSTRACT:
Filter equipment is adapted for connection to an ac power network (N) for damping of current harmonics originating from an installation (TR, SR1, SR2), connected to the network, for power transmission by means of high-voltage direct current. The equipment has a three-phase filter set (F) with three filter branches which are each normally connected to a separate phase of the network via first switching members (BO). A spare filter branch (FR) is arranged as a stand-by for the three filter branches of the filter set (F) and is adapted for connection to an optional phase of the network by means of second switching members (BR).

REFERENCES:
patent: 3711760 (1973-01-01), Kaiser
patent: 4429338 (1984-01-01), Becker et al.
patent: 4622474 (1986-11-01), Christl et al.
Adamson et al., High Voltage Direct Current Power Transmission, pp. 167-171, Garraway Ltd. First Edition 1960.
Adamson et al., High Voltage Direct Current Convertors and Systems, pp. 146-163, McDonald & Company (Publishers) Ltd. 1965.
Uhlmann, Power Transmission by Direct Current, pp. 361-379, Springer-Verlag Berlin Heidelberg New York 1975.
Ekstrom, High Power Electronics HVDC and SVC, EKC Electric Power Research Center, The Royal Institute of Technology Stockholm, pp. 6-1 to 6-33, Jun. 1990.

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