SCRs with a rating of 1000 V & 200 A are available to be used in a string to handle 6 KV & 1 KV. Calculate the number of series & parallel units required in case the de-rating factor is 0.1. (Round off the fraction to the greatest & nearest integer)

SCRs with a rating of 1000 V & 200 A are available to be used in a str

1.	SCRs with a rating of 1000 V & 200 A are available to be used in a string to handle 6 KV & 1 KV. Calculate the number of series & parallel units required in case the de-rating factor is 0.1. (Round off the fraction to the greatest & nearest integer)
A.	Series = 7, Parallel = 6
B.	Series = 6, Parallel = 7
C.	Series = 6, Parallel = 6
D.	Series = 7, Parallel = 7
Answer» B. Series = 6, Parallel = 7