Question

A relay is connected to 500/6 current transformer with a primary fault current of 4500A. What should be the current setting to obtain a PSM equal to 9?
a. 175%
b. 150%
c. 100%
d. 125%​

Answer 1

Explanation:

$\huge{\underline{\mathtt{\red{ƛ}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}} :) :)$

b. 150%

Answer 2

Explanation:

150 %.................