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YBW-12
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YBW-12Outdoor prefabricated substation




1.General Description:

YBW-12 outdoor substation is a 12-40.5 KV &50HZ outdoor substation with function of high voltage control, protect, power transformation and distribution. It can be used in high-rise buildings, building in urban and rural areas, residential communities ,high-tech development areas, small and medium size factories, mining areas, oil fields, temporary construction sites, and other premises.

2.Working Conditions

1.Ambient air temperature: -30°C~+40°C
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.

 

3.Technical data

 

 

Transformer

 

No.

Rated voltage

Rated capacity

No-load current % S9、S10/S11

1

6,6.3,10

30~1600

0.5~2.2

 

Current transformer

 

Type

Rated primary current

Rated secondary current

Accuracy class

No less than 10 times

Secondary Load

LCZ-35Q

40~500

1000~2000

0.5/10P10

10

50

LZJC-10

100~1000

1000~2000

0.5/10P10



Load switch

 

Item

Unit

Data

Rated voltage

kV

12

 Power frequency withstand   voltage/1min(effective value)

kV

42

Peak lighting impulse   withstand voltage

kV

75

Rated frequency

Hz

50

Rated current

A

315

630

Rated short circuit breaking   current

kA

12.5

16

Rated withstand current(peak)

kA

31.5

40

Rated short time withstand   current

kA

12.5

16

Rated short circuit sustained   current

s

4

Rated short circuit making   current

kA

31.5、40

Mechanical life

Time

2000

 

4.Overall drawing







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