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location:Return YB□-40.5/12
YB□-40.5/12
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YB□-40.5/12




1.General Description:

 

YB□-40.5/12 series 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≤90%.
5.Installation inclination:≤grade 8 .
6.Applicable in the places without corrosive and flammable gas.

 

Note: Customized products are available.

 

 

3.Technical data

 

Transformer

Type

Rated voltage

Rated capacity

Transformer ratio

SZ7

40.5

1000~2000

35:10,35:6.3

SZ9

40.5

1000~2000

35:10,35:6.3

 

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



 

KYN61-40.5 or XGN-40.5 switchgear  ,or ZN85-40.5 or ZN12-40.5 Circuit breaker Specification

Item

Unit

Data

Rated voltage

kV

40.5

 Power frequency withstand   voltage/1min(effective value)

kV

95

Peak lighting impulse   withstand voltage

kV

185

Rated frequency

Hz

50

Rated current

A

1250

1600

2000

Rated short circuit breaking   current

kA

25/31.5

25/31.5

31.5

Rated withstand current(peak)

kA

63/80

63/80

80

Rated short time withstand   current

kA

25/31.5

25/31.5

31.5

Rated short circuit sustained   current

s

4

Rated short circuit making   current

kA

6380

Rated breaking current of   cable charging

A

50

DC component

%

40

Rated operating sequence


O—0.3s—CO—180s—CO

Closing time 

ms

50100

Opening time

ms

3560

Circuit resistance

μΩ

60(额定电流16002000A

80(额定电流1250A

Breaking time

ms

80

Rated short circuit breaking   times

Time

30

Breaking time of rated current

    Time

20000

Rated operating voltage

V

—110/110220/220

Rated working current of   Closing &opening coils

A

1.05/110V);0.96/220V

Rated contact force

N

3100±200

Primary   force of rated contact

N

2200±160

Contact self-close force


170±40

Counter-force of rated   clearance


310±40

Mechanical life

Time

20000

 

 

4.Overall drawing





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