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25 kVA Oil Type Transformer (Um 1.1 kV)
Datsan 25 kVA transformers can be manufactured by copper or aluminium wires as per customer requirement. We generally use enameled copper wire for HV winding and copper strip wire for LV winding. Primary voltage can be any voltage from 400 Volt till 36 kV.
We generally manufacture distribution transformers in this power range, mainly in two different types:
- Transformer with conservator tank (WCT),
- 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).
Rated Power [kVA]
| 25-160 kVA |
| Dimension (L x W x H) | 0 x 0 x 0 |
| Weight | 0 |