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    Research on the improved fault current limiter based on high coupled split reactor

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    CIRED 2019 - 2059.pdf (553.1Kb)
    Paper number
    2059
    Conference name
    CIRED 2019
    Conference date
    3-6 June 2019
    Conference location
    Madrid, Spain
    Peer-reviewed
    Yes
    Metadata
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    Authors
    WU, Kaijian, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, China
    YUAN, Zhao, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, China
    CHEN, Lixue, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, China
    HE, Junjia, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, China
    PAN, Yuan, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, China
    YE, Jingjing, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, China
    Abstract
    As the short circuit current increases sharply, the application of fault current limiter (FCL) becomes more and more extensive. The FCL based on high coupled split reactor (HCSR) has many advantages compared with other types of FCL. As the key component of FCL based on HCSR, HCSR only exhibits a small leakage inductance to power system in the normal operation condition, and it will change role to a current limiting reactor once fault occurs. Due to the reverse coupling characteristics between two windings of HCSR, it puts big pressure on the insulation design of HCSR when FCL is applied in high voltage or ultra high voltage power system. In order to solve the above problems, an improved FCL topology is proposed and retains the advantages of HCSR, eliminating the need to transfer full-capacity fault currents, and on the other hand reducing the insulation requirements for HCSR. In this paper, focusing on the improved FCL topology, a simulation model is established to analyse the voltage and current changes under working condition, which can provide reference for the selection of HCSR and fast mechanical switch.
    Publisher
    AIM
    Date
    2019-06-03
    Published in
    • CIRED 2019 Conference
    Permanent link to this record
    https://cired-repository.org/handle/20.500.12455/713
    http://dx.doi.org/10.34890/937
    ISSN
    2032-9644
    ISBN
    978-2-9602415-0-1

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