50000 Kva Power Transformer 50Hz

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
2

The 5000 kva power transformers 50Hz is a unit or substation in the main for transmission and transformation of the total step-down transformer, is the core of the substation.Transformer is the core equipment of electric locomotive traction power supply system and also the key equipment to ensure the safe and stable operation of traction power supply system.


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)

Vector Group

Short-circuit Impedance(%)

No-load Loss(kW)

On-load Loss(kW)

No-load Current(%)

630

63
66
69

±5%

6.3
6.6
10.5
11

Yd11

8

1.28

7.13

1.4

800

1.52

8.55

1.35

1000

1.76

9.88

1.3

1250

2.1

12

1.3

1600

2.5

14.10

1.25

2000

2.88

16.63

1.2

2500

3.44

19.7

1.1

3150

YNd11

4.1

23.1

1.05

4000

4.8

27.4

1

5000

5.76

30.8

0.85

6300

63
66
69

±2*2.5%

6.3
6.6
10.5
11

9

7.36

34.2

0.75

8000

9

40.6

0.75

10000

10.6

47.9

0.7

12500

12.5

56.8

0.7

16000

15

69.8

0.65

20000

17.6

84.6

0.65

25000

20.8

100

0.60

31500

24.6

120.6

0.55

40000

29.4

141.5

0.55

50000

35.2

175.3

0.5

63000

41.6

211.2

0.45


Product feature and application

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Product qualification

image005(001)image007(001)

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

image009(001) image011(001)


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’s the significance of no-load test?

The no-load test of the transformer is to measure the no-load current and no-load loss of the transformer when the winding on any side of the transformer (generally low-voltage winding) is applied with the rated voltage with sinusoidal waveform and rated frequency.

2.What ‘s the main reason for the excessive no-load current?

The magnetoresistance of iron core is too large, the lamination of iron core is not orderly, the short circuit between siliconsteel sheets and so on.

3.What causes the increase in no-load loss

The quality of iron core is poor, the insulation between the pieces is bad, some silicon steel pieces short circuit, etc.


Latest News

By measuring no-load current and no-load loss and analyzing their variation rules, local or overall defects in the magnetic circuit can be found, and various defects such as whether there is inter-turn short-circuit in the windings can also be tested.

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