J
I'm clear about single source ground fault current path, multiples sources or separate drive system still confusing me, please check the ground fault current path for multiple sources as per link, hopefully somebody can explain a bit for ground fault current path for multiple grounding involving multiple generators or transformers.
http://s29.postimg.org/a92y8eilj/Ground_Fault_Current_Path.jpg
http://s29.postimg.org/a92y8eilj/Ground_Fault_Current_Path.jpg