Greetings
I have a 6600/550, 250KVA transfomer that I will like to provide protection for at the secondary(550V) side. I was thinking of using a MCCB to protect it. What are the limitation of these breakers.
This transformer is currently supplied via the ring switch on the 415KVA mini sub from...
Has anyone undertaken study onto the Oil cooled transformers versus the dry type used on the underground mines. If so could you be so kind and share your finding with us.
We are a small mine, we have at the moment Oil cooled transformers, we are looking at an option of going dry