S11-M Series 35, 20, 10 KV Oil-immersed Transformer
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S11-M Series 35, 20, 10 KV Oil-immersed Transformer

As the professional manufacture,we would like to provide you S11-M Series 35, 20, 10 KV Oil-immersed Transformer.

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Product Description

1. Standard Features of S11-M Series 35, 20, 10 KV Oil-immersed Transformer


1)Product Range:15kVA-10000kVA, up to 44kV
2)System voltage: max. 36 kVA 200 BIL
3)Coolers: corrugated wall or radiator
4)Oil preservation: hermetically sealed or conservator/free breathing
5)Tap changer: off-circuit or on-load
6)Cooling medium: mineral oil, Midel
7)Steel type core clamping system
8)High voltage (HV) multilayer winding
9)Low voltage (LV) foil winding or layer winding
10)Winding materials aluminium or copper
11)High temperature class transformers
12)Low noise solution
13)Efficient transformers with reduced losses
14)Liquid-filled
15)Used in special conditions
16)Sophisticated facilities
17)Usage of wooden case
18)3D package for drawings
19)Special test like Zero Sequence Impendence test
20)Cooling: ONAN, ONAN/ONAF, KFAF, KFW

 

 

2. Service condition of S11-M Series 35, 20, 10 KV Oil-immersed Transformer

 

a) Suitable for indoor or outdoor application
b) Air temperature: Maximum temperature: +40ºC; Minimum temperature:-30ºC
c) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
d) Altitude above sea level: Maximum installation altitude: 2000m.
e) Max wind speed:35M/s
f) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
g) No frequent violent shake
Note: * Beyond those services condition should enquiry to manufacturer technical dept during order

 

 

3. Tests for S11-M Series 35, 20, 10 KV Oil-immersed Transformer


1, Voltage ratio. Polarity and phase relationship test on each tapping
2, Resistance of all windings
3, No-load current and no-load losses measurement
4, Load losses measurement at rated current and frequency
5, Impedance voltage measurement
6, Induced over-voltage and separate source voltage withstand tests
7, Impulse voltage withstand test.
8, Noise level test
9, Oil leakage test
10, Overload test at 150% rated current for one hour after temperature rise test and hot

 

resistance measurement of (HV - LV)


Rated Power

Load losses

No-load losses

No load current%

Impedance% 

S11-30

630

100

2.1

4

S11-50

910

130

2

4

S11-63

1090

150

1.9

4

S11-80

1310

180

1.8

4

S11-100

1580

200

1.6

4

S11-125

1890

240

1.5

4

S11-160

2310

270

1.4

4

S11-200

2730

330

1.3

4

S11-250

3200

400

1.2

4

S11-315

3830

480

1.1

4

S11-400

4520

570

1

4

S11-500

5410

680

1

4

S11-630

6200

810

0.9

4.5

S11-800

7500

980

0.8

4.5

S11-1000

10300

1150

0.7

4.5

S11-1250

12000

1360

0.6

4.5

S11-1600

14500

1640

0.6

4.5



4. Packaging & Shipping for S11-M Series 35, 20, 10 KV Oil-immersed Transformer


Long time shipment & Seaworthy wooden box
Wooden package optional:
1)choose one unit/ wooden box
2)choose 2unit/ wooden box to save cost



5.FAQ for S11-M Series 35, 20, 10 KV Oil-immersed Transformer

 

1) How do you pack the S11-M Series 35, 20, 10 KV Oil-immersed Transformer?

By wooden case

 

2) What is your products standardization?

IEC and GB

 

3) How many years have your company made this kind of equipment?

More than 20years

 

4) What is the terms of payment?

L/C, T/T

 

5) What is your MOQ?

1set

 

6) How long is your delivery time?

60 working days

 

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