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Neutral grounding of generator

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siwan

Electrical
Joined
Nov 18, 2011
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2
Location
IN
If multiple synchronous generator earthed through neutral grounding transformer located in same power house . Shall one generator neutral be earthed or all the generators ?

 
All should be grounded through a grounding transformer
 
It depends on how the generators are connected to the system. If there is a dedicated unit transformer for each generator, each needs its own grounding resistor. If the generators are directly connected to a common bus, you have more choices and decisions to make.
 
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