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    110kV-1100kV GIS Inlet/outlet line Bushing
    • Description
    • Parameter

    110kV-1200kV GIS Inlet/outlet line Bushing

    Structure: composed mainly of composite hollow insulator, end grading ring, heat dissipating cage, high-voltage terminals, center conductive rod, core shielded electrode, epoxy post insulator and quincunx contact.

    Features:

    ² Excellent design effectively improves electric distribution of the bushing; partial discharge meets the requirement of IEC standards

    ² LSR sheds with special shape design provides strong environment adaptability

    ² Good dynamic thermal stability and control over temperature rise

    ² Excellent mechanical properties and outer insulation performance

    ² Excellent anti-seismic performance

    Type

    110

    170

    220

    330

    500

    750

    1000

    1100

    Rated frequency (Hz)

    50/60

    50 / 60

    50/60

    50/60

    50/60

    50/60

    50/60

    50/60

    Rated highest voltage (kV)

    126

    170

    252

    363

    550

    800

    1100

    1200

    Wet power frequency short-time withstand voltage (kV)

    230

    325

    460

    510

    740

    960

    1200

    1300

    Wet switching impulse withstand voltage (kV)

    /

    /

    /

    950

    1234

    1550

    1800

    2000

    Full-wave lightning impulse withstand voltage  (kV)

    550

    750

    1050

    1175

    1675

    2100

    2400

    2600

    Rated current (A)

    1-4000

    1-4000

    1-5000

    1-6300

    1-6300

    1-6300

    1-8000

    1-8000

    Rated dynamic current (kA)

    160

    160

    160

    250

    250

    250

    250

    250

    Rated short-time 3s thermal current (kA)

    63

    63

    63

    100

    100

    100

    100

    100

    Radio interference  (μV)

    250

     for 95kV

    250 

    for 108kV

    250 

    for 190kV

    500 

    for 273kV

    500

     for 413kV

    500

     for 693kV

    500

     for 800kV

    500 

    for 800kV

    Rated bending load (kN · m)

    9

    9

    9

    9

    9

    9

    9

    9

    Creepage distance  (mm)

    3950

    5797

    7812

    9075

    17050

    26400

    34100

    37600

    Partial discharge (pC)

    5

    5

    5

    5

    5

    5

    5

    5

     

     * All dimensions are for reference only; all the products can be designed and produced according to client’s demands.

     

    Product application:
     
    After the completion of 1100kV type test in 2009, all type tests of some products have been completed successively. The 1200kv GIS inlet and outlet bushing has been put into use in India's 1200kv test station in 2012.

     

        
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