35kV Oil Immersed Electrical Power Transformer
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35kV Oil Immersed Electrical Power Transformer

Oil-type transformers are used in power distribution or electrical substations. Their core and coils are immersed in oil, which cools and insulates. Oil circulates through ducts in the coil and around the coil and core assembly, moved by convection. The oil is cooled by the outside of the tank in small ratings, and by an air-cooled radiator in larger ratings.
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Description

Technical Parameters

Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 35kv oil immersed electrical power transformer in China, also supports customized service with low price. Welcome to buy discount 35kv oil immersed electrical power transformer for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.

 

Oil Immersed Power Transformer Specifications:

Capacity: 50kVA~ 40000 kVA

Primary side rated voltage: 33kV~ 38.5kVA

Secondary side rated voltage: 0.4kV~ 11kVA

Tap changer position : 5~9

Frequency:50/60Hz

Phase: three phases

Connection group: Dyn11/Yyn0/Yd11/YNd11 etc.

Impedance: 6.5%~10%

 

Oil Type Power Transformer Standards Compliant:

· ANSI/ IEEE C57.12.00 standards

· IEC 60076 Power Transformers

· AS NZS 60076 Power Transformers

· ISO 9001Power Transformers

· CSAC88-16 Power Transformers

· GOST R 52719-2007 Power transformers. General specifications

· GB 6451 Technical Specifications And Requirements For Oil-Immersed Power Transformers

· EN60076 Poer Transformer

 

Electrical Power Transformer Applications:

Apply to power plant (station), substation (power distribution station) and industrial etc.

three phase power transformer

power transformer manufacturers

S(F)11/13-110kV 6300-90000kVA Dual Winding Power Transformer

Capacity

kVa

Voltage Ratio & Tapping Range Vector Group No Load Loss Load Loss No Load Current Impedance
HV Tapping Range LV 11 13
6300

110

115

121

±2X2.5%

6.3

6.6

10.5

YNd11 7.4 5.92 35 0.62 10.5
8000 8.9 7.12 42 0.62
10000 10.5 8.4 50 0.58
12500 12.4 9.92 59 0.58
16000 15.0 12.0 73 0.54
20000 17.6 14.08 88 0.54
25000 20.8 16.64 104 0.5
31500 24.6 19.68 123 0.48
40000 29.4 23.52 148 0.45
50000 35.2 28.16 175 0.42
63000 41.6 33.28 208 0.38
90000 54.4 43.52 272 0.8 12-14

Single Phase Power Transformer Performance Features:

· Low loss: complies with the energy efficiency requirements in the "Power Transformer Energy Efficiency Limit Values and Energy Efficiency Levels" standard.

· Low noise: The self-cooling noise level will reach below 60dB.

· Low partial discharge: The amount of partial discharge is controlled below 100pc.

· Strong short-circuit resistance: the inside of the coil is supported by a high-quality insulating skeleton, and the side wall of the fuel tank is formed by laser cutting in one step.

· Beautiful appearance: All rust can be removed by ground grinding, and powder electrospray painting can achieve the effect of home appliance painting.

· No leakage: The sealing flanges adopt groove structure, the oil drain valve adopts copper valve, and the radiator adopts vacuum butterfly valve to ensure sealing performance.

power transformer suppliers

underground power transformer

Power Transformer Transport Packaging:

· Power transformers are packaged in 20-frame container or one 40 HQ container.

· The transformer body is well fixed with steel wire rope and sleeper, and equipped with an impact recorder.

· The radiator, oil conservator, and other accessories are packed in wooden cases.

· Avoid collisions and keep the shape of the transformer intact.

· Avoid corrosion, rust, etc. caused by environmental factors.

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