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    Double Break Disconnector 245kV Flyer

    Uploaded by

    Han Huang

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Double Break Disconnector 245kV Flyer

    Uploaded by

    Han Huang
    25 views2 pages

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    © © All Rights Reserved

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    PDF, TXT or read online from Scribd

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    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    25 views2 pages

    Double Break Disconnector 245kV Flyer

    Uploaded by

    Han Huang

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 2

    Product leaflet

    Double break disconnector 245kV – GW56


    Maximum reliability and minimal maintenance

    Double break disconnector type


    GW56 is mainly used for outdoor
    installations. It is particularly suitable
    for substations with limited phase
    distances and installations with low
    vertical clearances.

    Features
    –– Designed and tested in accordance with latest
    IEC specifications
    –– Maintenance free contact system with spring to
    provide reliable combining forces
    –– Simple and reliable interlocking system
    –– Easy installation and commissioning
    –– Easy and convenient operation with motor
    operating device
    –– R emote operation possible with SCADA and
    remote monitoring through GPS connectivity

    Technical data – GW56


    Disconnector without earth switch Units
    Disconnector with one earth switch
    Disconnector with two earth switch
    Rated voltage kV 245
    Rated current A Upto 4000
    Rated peak withstand current
    for disconnector and earth switch kA(peak) 125
    Rated short time withstand current for 3 sec
    for disconnector and earth switch kA(rms) 50
    Rated power frequency withstand voltage at 50 Hz for 1 min
    To earth and between phases kV(rms) 460
    Across the isolating distance kV(rms) 530
    Rated lightning impulse withstand voltage (1.2/50µs)
    To earth and between phases kV 1050
    Across the isolating distance kV 1200
    Rated switching impulse withstand voltage
    To earth and between phases kV -
    Across the isolating distance kV -
    Resistance of circuit µΩ ≤ 80
    Radio interference voltage µV ≤ 2000
    At voltage kV 156
    Other values on request
    Dimension – GW56
    245kV
    A 2300
    B 2770

    C 2900
    D 3450
    P Depend on the substation layout

    1YVA000103 – Rev.A, en 2013-04 © Copyright 2013 ABB. All rights reserved.


    All dimensions are in mm

    For more information please contact: Note: We reserve the right to make technical changes or modify the contents of
    this document without prior notice. With regard to purchase orders, the agreed
    ABB High Voltage Switchgear Co. Ltd. Beijing particulars shall prevail. ABB does not accept any responsibility whatsoever for
    No. 12 Jingyuan Street potential errors or possible lack of information in this document

    Beijing Economic-Technological Development Area We reserve all rights in this document and in the subject matter and illustrations
    Beijing, 100176, P.R. China contained therein. Any reproduction, disclosure to third parties or utilization
    of its content - in whole or in parts - is forbidden without ABB’s prior written
    Tel: +86 678 18000
    consent.
    Fax: +86 678 18006

    www.abb.com.cn

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