630 KVA 3 Phase Pole Mounted Distribution Transformer

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630 kVA Transformer Specifications:

1. Transformer rating: 630 kVA

2. Input voltage rating: 11kV

3. Output voltage rating: 400/230V

4. Number of phases: Three

5. Frequency: 50 Hz

6. Insulation class: A

7. Cooling method: ONAN

8. Vector group: Dyn11

9. 630 kva transformer current rating: 33.3A/ 909.4A

630 kVA Transformer Dimensions:

1. Height: 2200mm

2. Width: 1350mm

3. Depth: 1200mm

4. Weight: 2500 kg

630 kVA 3 Phase Pole Mounted Distribution Transformer Mechanical Features:

1. Tank material: Mild steel

2. Radiator material: Aluminum

3. Conservator material: Mild steel

4. Mounting type: Pole mounted

5. Bushings: Porcelain type

630 kVA 3 Phase Pole Mounted Distribution Transformer Electrical Features:

1. Copper winding material

2. Primary voltage tapping range: +5% to -10%

3. Primary winding: Star connected

4. Secondary winding: Star connected

5. Impedance voltage: 5.75%

6. Efficiency: 99.5%

7. Short circuit impedance: 5%

630 kVA 3 Phase Pole Mounted Distribution Transformer Protection:

1. Overload protection: 120% of rated current for 4 hours

2. Short circuit protection: 20 times of rated current for 2 seconds

3. Oil temperature protection: 98 degree C

4. Pressure relief valve: Provided

630 kVA 3 Phase Pole Mounted Distribution Transformer Standards:

1. IEC 60076

2. IEEE C57.12.90

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