A single-phase two stage sequence controller is designed to work on 23 – McqOptions

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1.	A single-phase two stage sequence controller is designed to work on 230 V supply, and upper and lower current ratings must be 20 A and 21 A respectively. Find the transformer rating?
A.	230 VA
B.	4600 VA
C.	9430 VA
D.	9200 VA
Answer» D. 9200 VA

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