Hi
A 2MVA 13.8/ 480-277 KV transformer data sheet stipulates that:
1- primary cable size 2/0 copper Tech cable
2- Secondary cables are 750MCM 1-C copper cable 6 per phase.
- My question is; the primary current is 84Amp. Multiplying by 1.25% (NEC Standard) gives us 105Amp which is good for...