400kVA Dry Transformer

1. Energy Efficient: Low loss design ensures significant energy savings and cost efficiency.

2. Flame Retardant & Explosion-Proof: Safe, pollution-free, and maintenance-free, reducing expenses and enabling installation near load centers.

3. Low Noise: Optimized design and high magnetic conductivity materials effectively lower noise levels.

4. Strong Overload Capability: F-class rating ensures excellent heat resistance and reliable performance under overloading.

5. Easy Maintenance: Oil-free design allows for re-energization after long-term shutdown, simplifying upkeep.

6. Durable Enclosure: Robust casing with excellent heat dissipation and flexible wiring configurations.


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Product Details

Product Details

The SCB12-400kVA Dry Transformer is a dependable, safe, and energy-efficient solution for power distribution. Designed without the need for Transformer oil, it’s perfect for indoor and environmentally sensitive applications, offering superior reliability and low maintenance.

Key Features

Safe and Flame Retardant:
This transformer is built to be pollution-free and explosion-proof, with a high flame-retardant rating that ensures safe operation across different environments.

Energy Efficiency:
The SCB12-400kVA transformer minimizes energy loss with its low-noise operation and minimal temperature rise, promoting energy savings and efficient power distribution.

Strong Overload Capacity:
Equipped with F-class insulation, this transformer delivers excellent heat resistance and operates smoothly even under heavy loads, ensuring longevity and reliability.

Moisture and Dust Resistance:
The transformer’s coils are resistant to moisture and dust, making it suitable for long-term use in industrial environments where durability is essential.

Low Maintenance:
The oil-free design minimizes the need for frequent maintenance, while its ability to be re-energized after extended shutdowns helps reduce downtime and maintenance costs.

Durable Construction:
With epoxy resin-cast windings, the SCB12-400kVA transformer has strong short-circuit resistance, impact toughness, and excellent lightning impulse performance, ensuring high operational safety.

Applications

The SCB12-400kVA Dry Transformer is well-suited for various industrial, commercial, and institutional applications, including:

Industrial Plants: Ensures efficient and stable power distribution for machinery and production lines.

Commercial Buildings: Ideal for offices, retail spaces, and hotels, providing safe and reliable electrical supply.

Schools and Hospitals: Perfect for institutions requiring uninterrupted power to maintain essential services.

Other Locations: Suitable for a wide range of indoor environments where safety, low-maintenance, and efficiency are critical.


Specifications 

*Technical Data for 10KV Three Phase Oil-Immersed Distribution Transformer

Rated Power

 (KVA)

High Voltage

(KV)

Low Voltage

(KV)

Vector 

Group

Short Circuit 

Dependence(%)

Loss(W)

No Load Current(%)

No-load Loss

Load Loss(W)

30

 4.16 

12.47 

13.2 

13.8 

24.94 

34.5

0.208 

0.4  

0.6

Dyn11 

Yyn0

4

100

600

2.1

50

130

870

2

63

150

1040

1.9

80

180

1250

1.8

100

120

1500

1.6

125

240

1800

1.5

160

280

2200

1.4

200

340

2600

1.2

250

400

3050

1.2

315

480

3650

1.1

400

570

4300

1

500

680

5150

1

630

4.5

810

6200

0.9

800

980

7500

0.8

1000

1150

10300

0.7

1250

1360

12000

0.6

1600

1640

14500

0.6

2000

5

1940

17400

0.6

2500

2300

20200

0.5

 

*20kV Epoxy-resin Insulation Dry-type Transformer

 

Rated Power

 (KVA)

Voltage Combined

 

Vector No-load Group Loss(kw)

Under different insulation heat-resisting rank load loss(W)

 

No-load

Current

(%)

 

Short Circuit

mpedance (%)

HV(KV)

High Pressurd 

Tapping

LV(KV)

130℃(B)

 (100℃)

155℃(B) 

(120℃)

180℃(B)

 (145℃)

50

20

±2x1.25% ±5%

0.4

340

1160

1230

1310

2

6.0

100

540

1870

1990

2130

1.8

160

670

2330

2470

2640

1.6

200

730

2770

2940

3140

1.6

250

840

3220

3420

3660

1.3

315

970

3850

4080

4360

1.3

400

1150

4650

4840

5180

1.1

500

Dynl1 Yyn0

1350

5460

5790

6190

1.1

630

1530

6450

6840

7320

1

800

1750

7790

8260

8B40

1

1000

2070

9220

9780

10400

0.85

1250

2380

10800

11500

12300

0.85

1600

2790

13000

13800

14800

0.85

2000

3240

15400

16300

17500

0.7

2500

3870

18200

19300

20700

0.7

 

Dry type Transformer

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