This video explains Transformer Foundation Types:
1. Isolated pad foundation
2. Block & raft foundation
3. Wall / strip foundation
4. Elevated column foundation
5. Precast element foundation
6. Pile foundation
Related videos:
Transformer Overview | Foundation Design: https://youtu.be/5BAfzsyXAqk
Substation Civil and Structure: https://youtu.be/nWl-48AxfNU?si=pdoGoWCOAMB86Bwv
Design of Substation Gantry foundation in Eurocode: https://youtube.com/playlist?list=PLorbvg8Gw7DiI4XDuziQKzr83maTP9Hsn&si=wjPiS_UwzPyGbfOQ
Substation Equipment Foundation: https://youtube.com/playlist?list=PLorbvg8Gw7Dje5i5Svx89pGuPDt-Xp2g_&si=Wys9GIu_QUH1VDvT