✔ Transformer Tank
Power transformers require more robust tank structures due to higher voltage and capacity. The tank is typically constructed with high-strength welded steel plates and may include:
- Oil conservator system
- Buchholz relay mounting
- Pressure relief devices
- Oil level and temperature monitoring systems
The tank must withstand:
- Thermal expansion of oil
- Mechanical stresses from short-circuit conditions
- Long-term outdoor operation
✔ Radiator
Radiators are generally detachable panel-type radiators, designed for higher heat dissipation capacity.
Cooling methods include:
- ONAN
- ONAF (Oil Natural Air Forced)
Functions:
- Efficiently dissipate heat generated by high-load operation
- Maintain stable oil temperature
- Extend transformer lifespan
