Distribution transformer/11kv oil-immersed distribution transformer

distribution transformer/11kv Oil Immersed Distribution Transformer(kVA) rated capacity800, 1000, 1250, 1600, 2000, 2500, 3150, 4000, 5000, 6300, 8000, 10000, 12500, 16000, 20000, 2500, 31500General InstructionThis kind of product is applied to power system of three-phase. 50Hz as well as 35KV and bellows. It is the main transfo

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distribution transformer/11kv Oil Immersed Distribution Transformer

(kVA) rated capacity
800, 1000, 1250, 1600, 2000, 2500, 3150, 4000, 5000, 6300, 8000, 10000, 12500, 16000, 20000, 2500, 31500

General Instruction
This kind of product is applied to power system of three-phase. 50Hz as well as 35KV and bellows. It is the main transformer equipment of medium and small-sized transformer substation, supplies power distribution, power and illumination for the industry and agriculture.
The company introduces in domestic and overseas advanced technique, adopts the latest material and optimizes design, which enables the product structure more reasonable., and greatly improves the product has passed the short-circuit test prepared by Wuhan High Voltage Research institute and also the test prepared by National Center for Quality Supervision&Test of Transformer...

Structure Features
Iron core
The iron core is made of high quality cold rolled silicon steel sheet, adopts the kinds of types like full-bias multi-step seam, no punched hole, winding iron core, etc., besides, both stainless steel stay plate and epoxy glass belt are for clamping it.
Coil
High quality enameled wire that is made of oxygen free copper or paper wrapped flat copper wire is used as conductor, the coils is provided kinds of types such as drum type, spiral type, improved spiral type, continuous type and interleaved type.
Oil tank
The oil tank is of barrel type or shield type, the heat-sinking element is provide with corrugated plated radiator.
The transformer has not been equipped with trolley, but there is a base that accords with national standard rail gauge welded at the bottom of box for your convenience.
Safety protection device
According to national standard and users' requirements, the transformer may be equipped with following safety protection devices: Pressure relief valve, gas relay, signal thermometer, oil purifier, oil conservator, oil sampling valve, etc.

We can supply you all kinds of power transformers. Inculding oil immersed(No-excitation Tap-changing, On-load Tap-changing), dry type power transformer(SC(B)/SG(B))

Pls feel free to contact us for more details.
S9 type double-winding non-excitation tap-changing oil immersed power transformer of 35kv
Rated power kvaVoltageConnection symbolLoss (kw)No-load current(%)Impedence voltage(%)Weight (kg) 
H. V    kvHigh voltagr tapping rangeL. V      kvNo-loadLoadOil weightoverall weight
80038.5    35± 5%                ± 2*2.5% 3.15  6.3            10.5       Yd111.259.91.056.57903040
10001.4812.218503410
12501.7614.70.99503890
16002.1317.60.8510604620
20002.619.40.7511955345
25003.1520.70.7512855960
31503.8724.30.7714706695
40004.6428.80.717608350
50005.49330.618509400
63006.5736.90.67.5220011300
8000YNd11940.50.55245013240
1000010.647.70.55323016600
1250012.656.70.58358519400
1600015.369.30.5442023100
2000018.09840.5606019700
2500021.51990.4649038200
3150025.651190.4689040300
 


























 
S9 type double-winding non-excitation tap-changing oil immersed distribution transformer of 35kv
Rated power kvaVoltageConnection symbolLoss (kw)No-load current(%)Impedence voltage(%)Weight (kg) 
H. V    kvHigh voltagr tapping rangeL. V      kvNo-loadLoadOil weightoverall weight
5038.5    35± 5%                ± 2*2.5% 10.5 3.15  6.3            0.4       Dyn11 Yyn0  Yd110.221.2226.52653040
1000.312.031.83101150
1250.342.391.753201190
1600.372.841.653601230
2000.433.331.653901300
2500.513.961.44251480
3150.614.771.44601590
4000.745.761.34901760
5000.876.931.35402150
6301.048.281.256202380
8001.259.91.057801800
10001.4912.219103850
12501.7614.70.8510604600
16002.1317.60.7512105200

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