Test Research on the Suppressing Radio Interference of DC Transmission Lines by Ferrite Cores

Hong Zhang; Zhi Bin Zhao; Yang Liu; Lei Liu; Fang Wang

doi:10.4028/www.scientific.net/AMR.805-806.987

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 805-806Test Research on the Suppressing Radio...

Test Research on the Suppressing Radio Interference of DC Transmission Lines by Ferrite Cores

Abstract:

Radio interference (RI) of DC transmission lines due to the corona discharge has become a restraining factor of power grids design and operation, so the suppression of RI is very important. In this paper, a new idea for suppressing RI by mounting ferrite cores on the conductor is proposed. By measuring and comparing RI values of the test stranded wire with and without ferrite cores, test results show this approach to suppress RI is effective. Further research results also show inhibitory effects at negative voltage are better than positive voltage and the material of ferrite cores affects the inhibition effects.

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Periodical:

Advanced Materials Research (Volumes 805-806)

Pages:

987-990

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.805-806.987

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Online since:

September 2013

Authors:

Hong Zhang, Zhi Bin Zhao, Yang Liu, Lei Liu, Fang Wang

Keywords:

Direct Current Transmission Line, Ferrite Core, Radio Interference

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