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S11 35kV DUAL- WINDING NON- EXCITATION REGULATING TRANSFORMER
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S11 35kV DUAL- WINDING NON- EXCITATION REGULATING TRANSFORMER

S11 35kV DUAL- WINDING NON- EXCITATION REGULATING TRANSFORMER
Summary

S11 series oil-immersed transformer adopts traditional compact structure with high reliability. This series of product adopts fully sealed oil tank, thus isolating the transformer oil from the air and slowing down the aging of transformer oil and insulators. This series of product uses traditional material and is efficient and energy-saving. The product has been widely applied in new and reconstruction projects of urban and rural power grids such as Hydropower station and Power plant.
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  • 35KV S11 series oil-immersed transformer

  • Qianhong/Custom

Oil Immersed Transformer Transformer Transformer Manufacture Factory Sales Manufacture Direct Distribution Transformer 3 Phase Step Down Power Transformer Step up Transformer High Voltage Transformer
Product Description

Technical specification

No.

Item

Spec'

1

Product type

Oil immersed type

2

Installation

Indoor/Outdoor

3

Cooling

ONAN

4

Frequency(Hz)

50

5

Conservator

No

6

Tank paint color

Grey

7

HV TapskV:

5 taps position： ±2x2.5%

8

Tapping method

Off-load voltage regulation

9

Vector group

Dyn11

10

No. of phase

3

11

Type of winding

Double

12

Core material

High-quality oriented silicon steel sheet

13

Winding material

Copper

14

Cooling liquid

#25 transformer oil(Mineral oil)

15

Maximum altitude of product operation

1000m

16

Insulation level

A

17

Dial-Type thermometer

Yes

18

Arcing horns and Bushing

Yes

19

Gas relay

Yes

20

Oil level indicator

Yes

21

Press relieve valve

Yes

22

Outline terminal Method

Upper

23

Standard

IEC60076

Other main features refer to below tables.

S11 35kV DUAL- WINDING NON- EXCITATION REGULATING TRANSFORMER

62

S11 series oil-immersed transformer adopts traditional compact structure with high reliability. This series of product adopts fully sealed oil tank, thus isolating the transformer oil from the air and slowing down the aging of transformer oil and insulators. This series of product uses traditional material and is efficient and energy-saving. The product has been widely applied in new and reconstruction projects of urban and rural power grids such as Hydropower station and Power plant.

79

92

Technical parameters

Technical parameters













Model Rated Capacity Rated Voltage Connection No-load cost On-load cost No-load current Short-circuit impedance Weight Gauge (Crosswise
*Lengthways) 		Dimension
(L*W*H)
High voltage Tapping range Low voltage Untanking mass Insulating oil weight Gross
(kVA) (kV) H.V (kV)
(W) (W) (%) (%) (kg) (kg) (kg) (mm) (mm)
S11-50/35 50 35
38.5		 ±5%
or
±2*2.5%		 0.4 Yyn0
or
Dyn11		 168 1210 2.00 6.5 290 285 710 620 1150*800*1650
S11-100/35 100 240 2075 1.80 420 380 1100 620 1310*1100*1780
S11-125/35 125 272 2350 1.75 520 430 1380 620 1900*990*1800
S11-160/35 160 290 2820 1.65 620 450 1460 620 1900*990*1900
S11-200/35 200 345 3300 1.55 750 571 1700 620 1100*1000*2080
S11-250/35 250 408 3900 1.40 780 585 1800 620 1910*1100*2080
S11-315/35 315 488 4700 1.40 1030 640 2280 820 2200*1080*2120
S11-400/35 400 585 5700 1.30 1100 660 2400 820 2250*1100*2150
S11-500/35 500 690 6900 1.30 1240 840 2680 820 2250*1100*2200
S11-630/35 630 832 7870 1.25 1300 880 2800 820 2280*1100*2200
S11-800/35 800 985 9410 1.05 1820 860 3620 820 2450*1110*2350
S11-1000/35 1000 1155 11545 1.00 2150 1020 4350 820 2480*1200*2450
S11-1250/35 1250 1408 13940 0.85 2480 1120 4650 820 2480*1220*2540
S11-1600/35 1600 1700 16700 0.75 2860 1300 5800 1070 2680*1400*2560
S11-2000/35 2000 35
38.5		 ±5%
or
±2*2.5%		 6.3
10.5		 Yd11 2180 18380 0.75 6.5 2630 1270 5300 1070 2750*1600*2800
S11-2500/35 2500 2560 19670 0.75 3200 1400 6170 1070 2800*1800*3000
S11-3150/35 3150 3040 23090 0.70 7 3780 1600 7100 1070 2800*2000*3100
S11-4000/35 4000 3620 27360 0.70 4480 1840 8630 1070 2800*2100*3200
S11-5000/35 5000 4320 31380 0.60 5400 2090 9950 1070 2860*2320*3510
S11-6300/35 6300 5250 35060 0.60 7.5 6490 2380 11580 1070 3100*2410*3600
S11-8000/35 8000 7200 38480 0.45 8500 3000 14700 1475 3400*3580*3750
S11-10000/35 10000 8700 45320 0.45 10150 3200 15500 1475 3560*2700*3900
S11-12500/35 12500 10080 53870 0.40 8 12600 3800 19200 1475 3560*3000*3890
S11-16000/35 16000 12160 65840 0.40 15100 4800 22800 1475 4060*3300*3890
S11-20000/35 20000 14400 79520 0.40 16800 5500 25600 1475 4100*3400*3960
S11-25000/35 25000 16960 94050 0.35 21000 7100 30800 1475 4100*3400*3980
S11-31500/35 31500 20240 112860 0.35 24800 8000 36300 1475 4180*3500*3980

Note:
1.When the gauge is horizontal, it is only one value .
2. All the dimension and weight is for reference only.

30


Product Description

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