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Electrical Engineering · Q31

Three Phase Systems In Power Applications

Engineering and GATE · Electrical Engineering · question 31

Q31

A three-phase ∆-connected generator is driving a balanced load such that each phase current is 12 A in magnitude. When Iθa = 12 ∠30° A, what are the polar expressions for the other phase currents?

A.
Iθb = 12 ∠150° A, Iθc = 12 ∠-90° A
Answer
B.
Iθb = 12 ∠120° A, Iθc = 12 ∠30° A
C.
Iθb = 12 ∠30° A, Iθc = 12 ∠120° A
D.
Iθb = 12∠ 90° A, Iθc = 12 ∠90° A

Answer: Option A

Solution

Answer: Option A
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