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Q#1
Transmission and Distribution
GATE EE 2024
MCQ
+1 mark
-0.33 marks
The figure shows the single line diagram of a 4-bus power network. Branches 
, 
, and 
have impedances 
, and 
per-unit (pu), respectively, where 
, with 
and 
. The current drawn from each load bus (marked as arrows) is equal to 
pu, where 
. If the network is to operate with minimum loss, the branch that should be opened is
Explanation:
Let’s open each branch one by one.
(A) removed
(B) removed
(C) removed
(D) removed
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