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Does anyone have some good references about why it is better to have relays in the control house than at the breaker? I figure having it in the control house is better so that emergency maintenance on the breaker can happen safer and faster during rain or other inclement weather. Also I have...

Anyone have a statistic of how many distribution faults are temporary vs. permanent?

I'm a newbie protection engineer and I have a mentor who will look over this, so don't panic over how ignorant I am. I'm getting a whole week of protection engineer training next week. --- We have a substation with two transformers that are usually run independantly. There is a tie breaker on...

I'm undertaking a self study of "Art and Science of Protective Relaying" which is a free download at http://www.geindustrial.com/pm/notes/artsci/. I'm a young engineer and not a university student. Does anyone have an answer key for the questions in the back of the chapters? Speaking of...