Gentleman,
When we specify a medium voltage circuit breaker, there are certain short circuit ratings that are part of the spec:
This is what my understanding is and please correct me if I am wrong:
1. Interupting Rating(break capacity)- Symmetrical RMS
2. Close and Latch(Make...
Hi,
I had asked a similar question in the past regarding a coordination study where the distance between fault location and feeder was only 700 m. It was very difficult to coordinate.
this forum had some interesting contribution in terms of views from you guys. After doing some more research...
Hi All,
This is my first time and have seen some similar posts like my question. My feeder is 1.5 km from utility and the fault level at that point and my feeder is approx. same and some how my fuse cannot coordinate with their instantenous overcurrent protection.
Could you advise me how a...