36KV 40.5KV Indoor Gas Insulated Metal-Enclosed Switchgear

36KV 40.5KV Indoor Gas Insulated Metal-Enclosed Switchgear
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  • 36KV Indoor Gas Insulated Metal-Enclosed Switchgear

    General introduction of the product 
    The gas insulated switchgear designed for installation in transformer substation, industrial plants, and infrastructure& complies the most stringent requirement of
    Safety in operation
    Staff safety
    Operation reliability
    Smaller footprints
    Reduced maintenance work
    The switchgear conforms to IEC 62271-200 and all primary components employed therein are in accordance with the relevant standards.

    It is designed to accommodate high performance vacuum circuit breaker (VCB) which has been designed and tested in accordance it IEC62271-100. 

    The switchgear panels are suitable for the assembly of single &double busbar systems for indoor installation.
    Features:-
    Reliable
    Each compartment is monitored individually has its own pressure relief device
    Use of VCB with high number of mechanical&electrical operations
    Robust interlocking system
    Safety
    The primary side components are hermetically enclosed, gas filled compartment and thus insensitive to atmosphere, dirt&dust.
    Current transformer are mounted outside the gas compartment&mounted on earthed LV compartment
    Space saving
    Smaller foot prints
    All operations on the switchgear front
    Economically efficient
    Reduced space surface area requirement
    Long service life
    Maintenance free gas compartment

    Main Technical Data 

    Item 

    Unit

    Parameter

    Rated voltage

    kV

    24

    36/40.5

    Rated current 

    A

    630

    1250

    2000

    2500

    Rated frequency 

    Hz

    50/60

    Rated power frequency withstand voltage (1min)

    Phase to phase,

    Phase to earth

    kV

    50/65*

    70/95*

    Insulation Distance

    60/79*

    80/118*

    Rated Lightning impulse withstand voltage

    Phase to phase,

    Phase to earth

    kV

    125

    170/185*

    Insulation Distance

    145

    195/215*

    1min power frequency withstand voltage of Auxiliary control circuit

    V

    2000

    Rated short-circuit breaking current (effective value)

    kA

    20  25  31.5

    Rated short-circuit making current

    kA

    50  63  80

    Rated short-circuit withstand current(4S) 

    kA

    20/4  25/4  31.5/4

    Rated peak withstand current

    KA

    50  63  80

    Degrees of protection

     

    Gas filled compartment:IP67

    Low-Voltage compartment:IP4X

    Every phase main return circuit resistance

    μΩ

    ≤250

    Rated SF6 gas pressure (20)

    Mpa

    0.05

    Min SF6 gas pressure (20)

    Mpa

    0.03

    Annual SF6 gas loss rate 

    %

    0.1

    Rated voltage of auxiliary control circuit

    V

    DC110/220,AC220

    Cubicle overall dimension

    (Width×Depth×Height)

    Rated voltage 40.5KV

    mm

    600×1400×2550

    (800×1600×2550)

    Rated Voltage 24KV

    600 ×1300×2350

    (800×1600×2550)

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