@ alehman .. Yes by copper I mean the ground conductor, and it runs from the high side of the Padmount transformers and then the ground rod at the junction boxes and then to the substation.
I really appreciate all the answers, feels good when you get answers from knowledgeable people.
Here is my situation, just finished my school and got a job as an electrical inspector on a wind farm. There are so many questions that pop up every day and feels like instead of surfing every...
Just to find answers for questions like these..
1) what generators would be the best in the towers?
2) why use Wye-Delta and not Delta-Wye as Padmounts?
3) Why use Delta-Wye-Delta transformer at the substation?
4) What kind of breakers to use ( vac,sf6,oil ) and why?
5) Would grounding...