Mostly 11kV Generators with open neutral need to be grounded with resistors if there are multiple 11kV Generators on the BUS then we have various techniques for grounding these Generators. One common technique is to ground neutral of one Generator through the resistor and neutral of other Generators remain isolated, thus we need:
Neutral Isolator Switch (one or many depending on the number of Generators)
Customers may get Neutral Grounding Resistors as a package to their Generators or they have to buy them separately, its need can be raised during expansions.
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