IEC Standard 20mva Power Transformer

1)High reliability,advanced level of performance,reasonable economical indicators.
2)The core joints are of stepped shape with 3steps,and the surface of the core is coated with cured paint to lower losses and noise.

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Product Details
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IEC standard 20mva power transformer are an important part of the power system (generation, transmission and distribution), allowing electricity to be transported from distant places to consumer centers.In the same way, they allow optimal distribution of ac current, using the most appropriate and economical intensity for each sector.


Product Introduction

1)High reliability,advanced level of performance,reasonable economical indicators.

2)The core joints are of stepped shape with 3steps,and the surface of the core is coated with cured paint to lower losses and noise.

3)The winding has novel structure and its oil passage is reasonable designed.Its newly designed insulation structure helps enhance its mechanical strength and the short circuit withstanding ability.

4)The oil tank is various types,all have good outlook.


Products Specification

Rated Capacity
(kVA)

High Voltage
(kV)

H.V Tap Range(%)

Low Voltage
(kV)

Short-circuit Impedance(%)

Vector Group

No-load Loss(kW)

On-load Loss(kW)

No-load Current(%)

6300

110
138

±8*1.25%

6.3
6.6
10.5
11
20
35

10.5

YNd11

8

34.2

0.8

8000

9.6

42.8

0.8

10000

11.4

50.4

0.74

12500

13.4

60

0.74

16000

16.2

73

0.69

20000

19.2

88.4

0.69

25000

22.7

104.5

0.64

31500

27

126.4

0.64

40000

28.8

148

0.58

50000

34.3

184

0.58

63000

40

220

0.52

75000

12~13

47.2

264

0.42

90000

54.4

304

0.38

120000

67.8

377

0.34


Product feature and application

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Product qualification

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We have a number of outstanding technical personnel, and our products were popular in domestic and foreign markets. We have KEMA&CESI reports, which were acknowledged in industry.


Deliver-shipping and serving

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Delivery time

Normally, if with MR or ABB tap changer, the max. Deliver time about 120 days after technical drawings confirmed, if with Chinese brand tap changer, max. 90 days for any capacity and voltage range transformer.

Packing

The transformer main body usually in nude, and the accessories are packed in plywood case with steel structure, it’s worthy for ocean transportation.

Transportation

Usually, the total weight under 45 tons, it’s available by kinds of container, above 45 tons, it’s available by bulk ship.

After service

Usually, we will dispatch experienced technicians to client’s installation site for the supervision service within 15 working days after getting official information.


FAQ

1.What is the purpose of painting reactor (transformer)

The solution of the thermal conductive material in the electromagnetic coil and the interlayer and the gap between the transmission line and the gap is covered with insulating varnish to improve the dielectric strength of the reactor (transformer) and improve its waterproof working ability. Improves impact toughness and heat transfer coefficient, making the surface of the reactor (transformer) beautiful and durable.

2.What is the dip process of reactor?

This processing technology selects 2260 or 3260 hydroxy insulating layer baking varnish produced by Tonghua Paint Factory, which is developed by air immersion paint. It is applicable to reactor (transformer) with interlayer insulation layer. The transformer with output power exceeding 5KVA can use electromagnetic The coil is dipped.

3.What are the main types of power transformers classified by main purpose?

Power transformer, special transformer (furnace transformer, rectifier transformer, dc test transformer, voltage regulator, mine winch transformer, impact transformer, reactor, transformer, etc.).


Latest News

Accelerating the replacement of high-cost, high-energy, outdated production processes and production is the future development trend. If the company lacks the spirit of high-tech innovation, the long-term precision is positioned at the level of medium and low-end transformer products, and does not improve the energy-saving of transformers. Improve the structure and production process of the transformer, so that the energy consumption level of the transformer can be improved steadily, and it will lose its competitiveness and be slowly eliminated.

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