Question { ABB, 43778 }
how netral CT is selected (including its details
specification)
Answer
1) in CT why we select 5p20 for class of accuracy and how
the va burden comes 10 and alf is 20
2) alf is selected from class of accuracy but how to calculate
3) when i am calculating knee point voltage i am not getting
700-350-175 (my primary ct ratio is 800-400-200/1A and RCT
is 5-2.5-1.25)
4) how to calculate magnetizing current for above
specification CT