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Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan Group Co.,Ltd
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35kv Three Phase Electrical Oil Immersed Power TransmissionTransformer

Ningbo Tianan (Group) Co.,Ltd.

City: ningbo

Province/State:zhejiang

Country/Region:china

Contact Person:MrTony Ma View Contact Details

35kv Three Phase Electrical Oil Immersed Power TransmissionTransformer

Brand Name : Tianan Electric
Model Number : S,SF
Certification : IEC60076-1, IEC60076-2, IEC60076-5
Place of Origin : China
MOQ : 1 unit
Price : Penging
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 8000 units/year
Delivery Time : 40 work days
Packaging Details : Wooden Case
Tank : Corrugated Steel Plate
Altitude : up to 1, 000m Above Sea Level
Environment : Outdoor
Insulation Oil : High Quality Grade Mineral Oil
Frequency : 50Hz
Service life : 20 Years
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35kv Three Phase Electrical Oil Immersed Power TransmissionTransformer

NINGBO TIANAN (GROUP) CO., LTD.

1. General
(1) Application:
>> 12, 24,36KV~220kv class transformers
are widely used in power transmission and distribution stations,
industry plants, Generation Setup Unit (GSU).
>> They have the characteristic of high efficiency, low loss and maintenance free.
(2) Type and Rating
Capacity range :50-50000KVA.
Secondary voltage: 415V ,400V etc.
Frequency :50Hz ,60Hz.
Type: Single phase ,three phase.
No-load tap changer and on-load tap changer.
ONAN and ONAF.
Set-up and set-down type.
(3) Standard: IEC60076-1, IEC60076-2, IEC60076-5, IEC60317, ANSI, IEEE, AS, etc.

2. Conditions of service
(1) Altitude: Up to 1,000m above sea level.
(2) Ambient temperature:
** Max: +40ºC.
** Average (daily, Max.): +30ºC.
** Average (yearly, Max.): +20ºC.
** Min: -45ºC.
(3) Environment: Outdoor.
(4) Special conditions:
It may be consulted between manufacturer and customer.

3. Structural Features
(1) Iron core
The iron core is made of cold rolled grain oriented silicon steel sheet. Laminations are cut to length
onGEORG cut to- length line with steplap cut and automatic stacking functions.
The multistep lamination structure can reduce the loss and noise .
The steel sheet in the core limbs and yokes are clamped together by glass-epoxy bonds.
(2) Winding
High quality enameled or paper covered copper is used as conductor, the winding was made as
drum type, spiral type, improved spiral type, continuous type and interleaved type to ensure the insulation strength. Standard tapings are ±2*2.5%of the HV winding.
(3) Tank
The tank, cover and the conservator are made by corrugated steel plate .For the small transformers,
we use a deep tank and a cover, but for larger transformers, we manufacture bell type .The corrugated construction are a effective way for oil cooling.
(4) Insulation oil
The tanks are filled with high quality grade mineral oil as per IEC296 and it is PCB and PCT free.
The oil is used to help cooling the transformer. It is also used provide part of the electrical insulation between internal live parts.
(5) Tap changer
Tap changers are used to regulate the output voltage of the transformers to required levels .We
achieve this by changing the ratios of the transformer on the system by altering the number of turns in the HV winding .Tap changers can be on load (OLTC) or off load(OCTC).
(6) Assembly
The core and the windings assembled together from the active part of the transformer. The active
body assembled with multi-windings and identical pressure dry method adopted, effectively improved
the electrical strength and the ability to short circuit withstanding.

4. Test equipment
Strict test should be done according to IEC standard, by high technical equipments to ensure the
quality and the reliable of every transformer.

5. Technical Data of Typical Products

> S9, S10 series 10KV three phase off -load tap changer distribution transformer

TypeRating
KVA
On-load
loss
(w)
Load
loss
(w)
I
(%)
UK
(%)
Dimension (mm)Weight
(kg)
abc
S9-M-50/11501708702.04.012156601170430
S9-M-250/1125056030501.24.0119081513701115
S9-M-400/1140080043001.04.0151577015801380
S9-M-500/1150096050501.04.0163584016101600
S9-M-1000/1110001700103000.74.51960109519602860
S9-M-2500/1125003300230000.555.52230230524455660
S10-M-30/10301106001.84.08706451025310
S10-M-50/10501408701.74.010906501080395
S10-M-80/108020012501.64.011406751110490
S10-M-100/1010024015001.54.011856901130560
S10-M-125/1012528018001.44.012057101180670
S10-M-160/1016034022001.34.012557201200780
S10-M-200/1020040026001.24.012957401215875
S10-M-250/1025047030501.14.0134075512601115
S10-M-315/1031556036501.04.0140077013201280
S10-M-400/1040068043000.94.0150086014001490
S10-M-500/1050081051500.94.0157589514301740
S10-M-630/10630102062000.84.5166093015452110
S10-M-800/10800119075000.74.51830107015902625
S10-M-1000/1010001450103000.64.51935117516852860
S10-M-1250/1012501650120000.64.51960117017303330
S10-M-1600/1016002040145000.54.52325122021203765
S10-M-2000/1020002140178200.54.52395126022254530


>> S11 series 20KV three phase off -load tap changer distribution transformer


TYPE
Voltage ratio(kV)ConnectionNo
load
Loss
(W)
Load
loss
(W)
Io
(%)
UK
(%)
Dimensions (mm)Weight (Kg)
abcdef
S11-M-30/20




20(10)
±5%/0.4




Yyn0


Dyn11
100690/
660
2.1





5.5
1100700124014400400640
S11-M-50/201301010/
960
2.01130710126014400450710
S11-M-63/201501200/11501.91160740127014400450780
S11-M-80/201801440/13701.81200770128014400450860
S11-M-100/202001730/
1650
1.61220800130014400450900
S11-M-125/202402080/
1980
1.51270840133019550450970
S11-M-160/202902540/
2420
1.413208701350195505501100
S11-M-200/203403000/
2860
1.313609001380195505501240
S11-M-250/204003520/
3350
1.214309101430195506501420
S11-M-315/204804210/
4010
1.114609201450195506501570
S11-M-400/205704970/
4730
1.014909401470196607501740
S11-M-500/206805940/
5660
1.015709701540196607501950
S11-M-630/2081068200.9

6.0
165010001580196608502290
S11-M-800/2098082500.8175010701650198208502690
S11-M-1000/201150113300.7183011701690198208502880
S11-M-1250/201380132000.7190012001790198208503400
S11-M-1600/201660159500.6195012501850198209004100


>>>> S9 series 35kV three phase Off-load tap changer power transformer

Capacity
KVA
Voltage and tap rangeConnectionNo-load loss
(kW)
Load loss
(KW)
NO-load current
(%)
Impedance
(%)
Dimensions (mm)
LxWxH
HV (kV)MV (kV)LV (kV)
5035± 50.4Dyn11
Yyn0
0.211.27/1.212.006.51100x845x1715
1000.292.12/2.021.801190x915x1780
1250.342.50/2.381.701220x1040x1780
1600.362.97/2.831.601240x1070x1810
2000.433.50/3.331.501380x780x1875
2500.514.16/3.961.401540x880x1820
3150.615.01/4.771.401440x800x1975
4000.736.05/5.761.301660x825x1995
5000.867.28/6.931.201710x865x2030
6301.048.281.101630x1235x2070
8001.239.901.001655x1415x2120
10001.4412.151.001860x1435x2220
12501.7614.670.901890x1640x2260
16002.1217.550.802050x1720x2390
6303.15
6.3
10.5
Yd111.048.281.101630x1235x2070
8001.239.901.001655x1415x2120
10001.4412.151.001860x1435x2220
12501.7614.670.901890x1640x2260
16002.1217.550.802050x1720x2390
20002.7219.350.702400x1900x2410
25003.2020.700.602500x1930x2700
315035~
38.5
± 53.15
6.3
10.5
3.8024.300.567.02600x2100x2800
40004.5228.800.562830 x2350x2855
50005.4033.030.482930x2480x2930
63006.5636.900.487.53150x2330x3220
8000± 2 x 2.53.15
3.3
6.3
6.6
10.5
11
YNd119.0040.500.423295x3110x3345
1000010.8847.700.423450x3210x3440
1250012.6056.700.408.03620x3255x3500
1600015.2069.300.403980x3420x3650
2000018.0083.700.404030x3470x3690
2500021.2899.000.325050x4640x3930
3150025.28118.80.325120x4800x4030


>>>> S9 series 35kV three phase on-load tap changer power transformer

TypeVoltage compose and Tapping range (kV)

Connection
No-load
Loss
(kW)
Load
loss
(kW)
No-
load current (I%)
Impedance voltage (%)Transport weight (t)Gross weight (t)Dimensions
L×W×H (mm)
HVLV
SZ9-2000/3535
±3×2.5%
6.3
10.5
Yd112.8818.71.006.54.935.973010×2070×2540
SZ9-2500/353.4021.71.006.55.686.953040×2270×2610
SZ9-3150/354.0426.00.907.06.087.903160×2300×2640
SZ9-4000/3535
38.5
±3×2.5%
6.3
10.5
4.8430.70.907.07.109.113300×2330×2890
SZ9-5000/355.8036.00.857.08.4710.863350×2520×3000
SZ9-6300/357.0438.70.857.59.8712.303680×2650×3050
SZ9-8000/359.8442.80.757.512.5515.304190×2930×3280
SZ9-10000/3535
38.5
±3×2.5%
6.3
6.6
10.5
11


Ynd11
11.650.60.757.514.7017.864620×3160×3400
SZ9-12500/3513.760.00.708.017.3520.054740×3200×3540
SZ9-16000/3516.073.00.708.019.4523.744810×3360×3790
SZ9-20000/3518.988.30.708.027.5034.954880×3540×4150
SZ9-25000/3522.4104.40.658.032.5140.224920×3920×4200
SZ9-31500/3526.6125.30.658.037.7345.535010×4270×4460



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three phase transformer

      

power transmission transformer

      
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