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Transformer Neutral Point Type Arresters

Transformer Neutral Point Type Arresters

Transformer neutral point type arresters Picture Show Explanation

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    Transformer neutral point type arresters


    Description

    Due to the high voltage, the neutral point generally adopts the direct grounding method. Due to the requirements of the relay protection setting and prevention of communication interference, in order to limit the single-phase short-circuit current, some of the transformers adopt the neutral point ungrounding method. In this mode of operation, due to lightning strikes, single-phase grounding short-circuit faults, etc., which will cause neutral overvoltage, and the transformers are mostly graded insulation, the overvoltage poses a great threat to the insulation of the neutral point and must be protected. 


    Main product features:

    1.It has a series of outstanding features such as good protection performance, strong cycle ability, short reaction time and good steep wave characteristics.

    2. High-quality silicone rubber material used in composite shell, with good anti-tracking and anti-aging properties, hydrophobicity, ion transfer.

    3. Adopts special technology and internal structure, with high technical strength and good explosion-proof performance.


    Features

    1. It has the features of full function, small size, high reliability, easy installation and debugging.

    2. The gap discharge voltage is stable and the gap distance is easy to adjust.

    3. Finish the electrode with pure copper or high strength stainless steel.

    4. The clearance base is installed with lifting rings, and the whole piece is transported and hoisted. The on-site installation is quick and convenient.

    5. When installing on site, the mounting bracket can be made of seamless steel pipe with high strength to ensure the stability of the bracket.


    Picture Show


    Explanation

    MOA type

    Sys R.V

    MOA R.V

    MCOV

    D.C.U1mA

    1/10μs 
    Steep 
    current 
    impulse

    8/20μs

    Lighting 
    current 
    impulse

    2ms

    Rectangular 
    current 
    impulse(2ms)

    4/10μs 
    High 
    curerent 
    impulse

    kV(r.m.s)

    ≮kV

    ≯kVAkA

    HY1.5W-30/80

    35

    30

    24.0

    44

    80

    76

    400

    65

    HY1.5W-55/132

    110

    55

    44.0

    79

    132

    126

    400

    100

    HY1.5W-60/144

    110

    60

    48.0

    86

    144

    135

    400

    100

    HY1.5W-72/186

    110

    72

    58.0

    103

    186

    174

    400

    100

    HY1.5W-73/200

    110

    73

    58.0

    105

    200

    165

    400

    100

    HY1.5W-144/320

    220

    144

    115.8

    205

    320

    299

    600

    100

    HY1.5W-146/320

    220

    146

    116.8

    208

    320

    304

    600

    100


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