jghrist
thank you for your answer. You answered my question about earth value, I now understand that it will change with soil moisture. It means it is not the same at every point.
In the IEEE 142-2007 Recommended Practice for Grounding of Industrial and Commercial Power Systems (Green Book) states:
“System grounding is the intentional connection to ground of a phase or neutral conductor
for the purpose of:
a) Controlling the voltage with respect to earth, or ground...
MJCronin
I'm terribly sorry, I am new to forums and posting questions. I just realized this is a Chemical process engineer forum.
My appologies to you and thanks to itsmoked for such detailed explanation.
thread798-174983
In the IEEE 142-2007 Recommended Practice for Grounding of Industrial and Commercial Power Systems (Green Book) states:
“System grounding is the intentional connection to ground of a phase or neutral conductor
for the purpose of:
a) Controlling the voltage with respect to...
