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GIS SF6 Gas Insulated High Voltage Switchgear Metal Clad 110kV 126kV 3150A 40kA

Categories High Voltage Switchgear
Brand Name: Tianan Electric
Model Number: ZF41B-126
Certification: XIHARI
Place of Origin: CHINA
MOQ: 1 Unit
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 50 units / year
Delivery Time: 90 days
Packaging Details: Standard export package
Voltage: 110/126kV
Current: 3150A 31.5kA
Frequency: 50/60Hz
Insulation: SF6 Gas
Altitude: Up to 1000m
Protection: IP56
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    GIS SF6 Gas Insulated High Voltage Switchgear Metal Clad 110kV 126kV 3150A 40kA

    110kV 126kV 3150A 40kA GIS SF6 Gas Insulated Switchgear


    General:

    SF6 Gas Insulated Switchgear (hereinafter referred to as GIS), it is comprised by CB, disconnector, earthing switch, CT, arrester, busbar, bushing, cable terminal, or other electrical apparatus elements.

    All elements (except bushing) should be in the metal case, and there is excellent insulated and arc extinguishing SF6 gas in the metal case.


    Features:

    1. Excellent breaking performance

    The original arc extinguishing system can meet the requirement of close-in fault, fall out step breaking, cutting sensibility, capacitative current. Excellent breaking can meet 1.5class, and also can meet the different systems requirement of neutral-point solid ground and neutral-point insulating.

    2. High reliability and security

    There are steady, reliable primary structure, three-position disconnector, disc- insulator with metal outer ring, high quality cast aluminium alloy shell and mechanical-electrical double interlocking. This product is beautiful exterior, reliable earth connection, without swirl loss, big safety margin, and can meet the temperature rise of 110% rated current and thermostable test for 4 seconds.

    3. Low leakage rate of SF6

    The seal link is reduced, simplify monitoring system of SF6, adopt multifunction integration proclaim oneself valve seat, which can completely eradicate SF6 gas leakage.

    4. The rating is higher than like product, inflation pressure is lower, weight is lighter, space usage is smaller, lifetime us longer.

    5. Module design is modulat, arrangement form is flexible, extension is easy.

    6. Easy installation and short installation period

    Use adjustable support, so that the foundation installation of GIS is easy. The control and signal cable adopts synthesize connector clip, which can make installation and maintain easier.

    7. Lower noise

    As lower operated power, the synthesize noise of GIS is lower. Noise standard is State city region I nightly standard rate.


    Reference Specification:

    S/NRated parameterParameter values
    1Rated voltage kV126
    2

    1 min power frequency withstand voltage

    (virtual value) kV

    Phase-to-phase, to earth230
    Isolating distance300
    3Lightning impulse withstand voltage (virtual value) kVPhase-to-phase, to earth550
    Isolating distance650
    4Rated frequency Hz50
    5Rated current AMain busbar4000
    Branch busbar3150
    6Rated short-time withstand current kA40
    7Rated peak withstand current kA100
    8Rated duration of short-circuit sMain circuit4
    Earth circuit2
    9Rated pressure of SF6(20℃gage pressure)MPaCB cabinet0.57
    Others0.35
    10Annual leakage rate of SF6≤0.5%
    11CBRated short circuit breaking current (virtual value) kA40
    Rated short circuit making current (peak value) kA100
    Rated short circuit breaking current direct component≥40%
    Rated operating cycleO-0.3s-CO-180s-CO
    Without inspection operation time(no-load) (time)≥6000
    Without full breaking time (time)≥20
    Mechanical life≥10000
    12DisconnectorMaking busbar charging capacitance current capacity A2
    Making magnetizing current capacity A6
    Making busbar transfer current/voltage A/V1600/30
    Mechanical life (time)6000
    13Fast earth switchRated short circuit making current (peak value) kA100
    Mechanical life (time)6000


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