25 kVA 6.3/0.4 kV Aluminium Winding EcoDesign Transformer

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Rated Power: 25
Rated Voltage: 6.3
Number of Phase: 3
Frequency: 50
Cooling: ONAN
Type: Outdoor or Indoor
Cable Box: Standard
Cooling Surface: Radiator
Winding Material: Copper and/or Aluminum
Tap Changer: Off load tap changer
High Voltage Bushings: Porcelain
Conservator Tank: Hermatically Sealed
Air Breather: Standard
Pressure Relief Device: Standard for hermetically sealed type
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We generally manufacture distribution transformers in this power range, mainly in two different types:

  1. Transformer with conservator tank (WCT),
  2. Hermetically sealed type (HST),

 Below table will help to engineers to select the best option according to environmental conditions which transformer works in:

  High Environmental Temperature High Altitude Rural Network High Humidity Over Load Conditions Unstable Loading
WCT
HST

 Meanwhile here is the advantage-disadvantage of the WCT-HST types:

  • In HST type, tank pressure is more than WCT type. WCT type generally works under low pressure due to its open to atmosphere,
  • In HST type, cooling/insulation oil does not contact to the air (theoretically). Therefore oil maintenance period is longer than WCT type,
  • HST type transformers and their related parts generally work under higher temperature (If we evaluate WCT-HST work under same conditions).
25 kVA 6.3/0.4 kV Aluminium Winding EcoDesign Transformer
  • 25 kVA 6.3/0.4 kV Aluminium Winding EcoDesign Transformer
  • 25 kVA 6.3/0.4 kV Aluminium Winding EcoDesign Transformer
  • 25 kVA 6.3/0.4 kV Aluminium Winding EcoDesign Transformer
SKU 25P6300S400-21
Brand Datsan
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Conservator Tank:

Contact Thermometer:

Buchholz Relay:

DMCR:

Cable Box:

Pressure Relief Device:

Tank Material:

Cooling Surface:

Ambient Temperature:

Temperature Rise (Oil/Winding):

Class:

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