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    Gas-Insulated Switchgear Type 8DQ1: Technical Data

    Uploaded by

    Lalit Kotturi
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    © All Rights Reserved
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    Gas-Insulated Switchgear Type 8DQ1: Technical Data

    Uploaded by

    Lalit Kotturi
    256 views2 pages
    8

    Original Title

    8dq1-technical-datasheet

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    © © All Rights Reserved

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    8

    Copyright:

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

    Gas-Insulated Switchgear Type 8DQ1: Technical Data

    Uploaded by

    Lalit Kotturi
    8

    Copyright:

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

    Gas-insulated

    switchgear type
    8DQ1
    Technical data

    siemens-energy.com
    Technical data GIS type 8DQ1

    Technical data of gas-insulated


    switchgear type 8DQ1

    Rated voltage up to 245 kV up to 420 kV up to 550 kV


    Rated frequency 60 Hz 50/60 Hz 50/60 Hz
    Rated short-duration power-frequency withstand voltage (1
    up to 460 kV up to 650 kV up to 740 kV
    min)
    Rated lightning impulse withstand voltage (1.2 / 50 μs) up to 1050 kV up to 1425 kV 1550 kV

    Rated switching impulse withstand voltage (250 / 2500 μs) - up to 1050 kV up to 1175 kV
    Rated normal current busbar up to 6300 A up to 6300 A up to 6300 A
    Rated normal current feeder up to 5000 A up to 5000 A up to 5000 A
    Rated short-circuit breaking current (< 2 cycles) up to 80 kA up to 63 kA up to 63 kA

    Rated peak withstand current up to 216 kA up to 170 kA up to 170 kA

    Rated short-time withstand current (up to 3 s) up to 80 kA up to 63 kA up to 63 kA

    Leakage rate per year and gas compartment (type-tested) < 0.1 %

    Drive mechanism of circuit-breaker stored energy spring


    O-0.3 s-CO-3 min-CO
    Rated operating sequence
    CO-15 s-CO
    Bay width 2200 mm 3600 mm

    Bay height, depth (depending on bay arrangement) 3800 mm x 5800 mm 4800 mm x 10000 mm

    Bay weight 11 t 21 t

    Ambient temperature range -30 °C up to +55 °C -25 °C up to +55 °C

    Installation indoor / outdoor indoor

    First major inspection > 25 years

    Expected lifetime > 50 years

    Standards IEEE IEC / IEEE / GOST

    Other values on request

    Published by For the U.S. published by

    Siemens Energy Global GmbH & Co. KG Siemens Energy, Inc


    Switching Products & Systems Switching Products & Systems
    Freyeslebenstraße 1 444 Hwy 49 South
    91058 Erlangen, Germany Richland, MS 39218, USA

    For more information, please visit our website:


    siemens-energy.com/gas-insulated-switchgear
    or contact us:
    support.energy@siemens-energy.com
    circuit-breakers@siemens-energy.com

    Subject to changes and errors. The information given in this document only contains general descriptions
    and/or performance features which may not always specifically reflect those described, or which may
    undergo modification in the course of further development of the products. The requested performance
    features are binding only when they are expressly agreed upon in the concluded contract.

    Siemens Energy is a trademark licensed by Siemens AG.

    © 2021 Siemens Energy Page 2

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