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On-Load Tap-Changing Dry-Type Transformer

Features :
Customizable
Voltage adjustment tap
Stainless steel hardware
High-grade silicon-steel core
Copper or aluminum windings available
Low loss, low noise, low partial discharge, high efficiency, high reliability
Main Overview:

The on-load tap-changing dry-type transformer integrates a vacuum on-load tap-changer, enabling stepless voltage regulation under load based on epoxy resin cast insulation. Rated voltage ranges from 10kV to 35kV, with capacity from 800kVA to 25MVA. It offers a wide voltage regulation range and short response time. It is suitable for applications requiring high voltage stability, such as power grid reactive power compensation hubs, photovoltaic/wind power grid connection points, and precision manufacturing industries.

The on-load tap-changing dry-type transformer is a transformer capable of adjusting voltage under load conditions, suitable for applications requiring frequent voltage adjustment to maintain power supply stability. This type of transformer is highly useful in various power systems and industrial applications. It is primarily used in urban power grids, factories, offshore platforms, substations, and other scenarios.

Meaning of Model Number:

Meaning of Model Number

S

C

Z

-

/

 

Three-phase

Epoxy resin cast type

On-load regulated voltage

Performance level code

 

Rated capacity kVA

 

Voltage class kV

/Performance characteristics:

Equipped with an on-load tap-changer, featuring short response time, convenient and fast operation.

Reasonable main longitudinal insulation design provides excellent insulation performance.

Precision cooling reduces winding temperature rise and extends product service life.

Integrated design of dry-type transformer and on-load tap-changer simplifies installation and saves construction time.

Main performance parameters of SCZ11 on-load tap-changing dry-type transformer:

Model

Rated capacity

(kVA)

Vector group

Voltage combination(kV)

No-load loss

(W)

Load loss(W)120℃

(F)

No-load current

(%)

Impedance voltage

(%)

High voltage

Tapping range

Low voltage

SCZ11-2000

2000

Dyn11 Yyn0

35 36 37 38.5

±4x2.5%

6 6.3 10 10.5 11

4050

19000

0.65

7

SCZ11-2500

2500

4690

22600

0.65

SCZ11-3150

3150

5670

25400

0.6

8

SCZ11-4000

4000

6640

30400

0.6

SCZ11-5000

5000

7850

36100

0.5

SCZ11-6300

6300

9270

41800

0.5

SCZ11-8000

8000

10600

47500

0.45

9

SCZ11-10000

10000

12100

57100

0.45

SCZ11-12500

12500

14700

66500

0.35

SCZ11-16000

16000

18100

78200

0.35

SCZ11-20000

20000

21400

88000

0.3

10

SCZ11-25000

25000

25200

104000

0.3

 

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