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Outdoor Prefabricated Substation-YBM

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1

Overview

1.Rating: Rated voltage : HV equipment10KV and 12KV, LV equipment 0.4 KV.Rated current :HV equipment 630A, LV equipment 1500A.

2.Application: YB27 series substation is American type combined substation withfunction of high voltage control, protect, power transformation and distribution.Usually used in urban and rural power distribution system .The high voltage loadswitch and high voltage fuse of this product are installed in the oil of thetransformer, with the two structure: in same case with the transformer and indifferent case with transformer. It can be used in high-rise buildings, building inurban and rural areas, residential communities ,high-tech development areas,small and medium size factories, mining areas, oil fields, temporary constructionsites, and other premises.

3.Standard: IEC1330

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Working Conditons

1.Ambient air temperature: -30℃~+40℃

2.Altitude: ≤1000m

3.Wind speed:34m/s ≤700pa

4.Relative humidity: Daily average relative humidity≤95%.Monthly average relative humidity≤95%.

5.Installation inclination:≤grade 8 .

6.Applicable in the places without corrosive and flammable gas.

Note: Customized products are available.

Types of meaning

Y B 27 -   12 / 0.4
Prefabricated type Substation Design No. High voltage side rated voltage Low voltage side rated voltage


High quality components

   Choose industry well-known brand electrica components installed. quaranteed

EU1 (2)

Silicon-steel plate cores

    The iron core made of new cold-rolled sili cor steel sheet can save energy, reduce noise, esist corrosion and effestivelv reduce no-load loss

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Plating copper row    

  Good conductivity, stable operation enhanced overload capacity, low line loss, not easy to oxidize, prolonged transformen ife    

主图-05    

   

Current transformer    

    Epoxy resin casting by good insulationBolt tor grounding, change than precision    

3    



PRODUCT SIZE DESCRIPTI

3

Main technical parameters

ItemUnitH.V electrical equipmentTransformerL.V electrical equipment
Rated voltagekV1010/0.40.4
Rated currentA630
100-2500
Rated frequencyHz505050
Rated capacitykVA
100-1250
Rated thermal stability currentkA20/4S
30/1S
Rated dynamic stability
current (peak)
kA50
63
Rated closing short-circuit
current (peak)
kA50
15-30
Rated breaking short circuit currentkA31.5 (Fuse)

Rated breaking load currentA630

1 min power frequency
withstand voltage
kVBetween phases,
to earth 42,
to open contacts 48
35/28(5min)20/2.5
Lightning impulse withstand voltagekVBetween phases,
to earth 75,
to open contacts 85
75
Shell protection class
IP23IP23IP23
Noise leveldB630Oil transfo rmer<55 Dry transformer<65
Loops No.

24~30
Low voltage side max static var compe nsatorkvar


300


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