Electrical transmission or interconnection systems – Anti-induction or coupling to other systems – Magnetic or electrostatic field control
Patent
1997-10-30
1999-10-12
Elms, Richard T.
Electrical transmission or interconnection systems
Anti-induction or coupling to other systems
Magnetic or electrostatic field control
307 89, 174 32, 333 12, H04B 330
Patent
active
059659564
ABSTRACT:
An overhead line for electrical energy transmission includes at least one phase conductor which receives a phase current which has a phase and an amplitude. A compensation loop surrounds the at least one phase conductor. A compensation current which has a phase and an amplitude is fed into the compensation loop by a driving voltage. The phase and the amplitude of the compensation current is set with respect to the phase and the amplitude of the phase current flowing in the at least one phase conductor such that a magnetic flux produced by the compensation current counteracts a magnetic flux produced by the phase current. At least one additional loop surrounds the at least one phase conductor connected to the compensation loop. The driving voltage for the compensation current is produced in the compensation loop and in the at least one additional loop. The compensation loop and the at least one additional loop define the at least one phase conductor into at least two main sections. The compensation loop defines a first main section of the at least two main sections and the at least one additional loop defines at least one second section of the at least two main sections.
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Boehme Helmut
Fitterer Gerd
Paschen Rolf
Smailus Bernd
ABB Research Ltd.
Elms Richard T.
Ganjian Peter
Greenberg Laurence A.
Lerner Herbert L.
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