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

A) I_θb = 12 ∠150° A, I_θc = 12 ∠-90° A B) I_θb = 12 ∠120° A, I_θc = 12 ∠30° A C) I_θb = 12 ∠30° A, I_θc = 12 ∠120° A D) I_θb = 12∠ 90° A, I_θc = 12 ∠90° A

Answer & Solution

Correct Answer: Option A

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Abdul Samad 5 years ago

I θa = 12 ∠30° A
Angle difference between each phase is 120
I θb = 12 ∠(30+120)° A= 12 ∠150° A
I θc = 12 ∠(30-120)° A=12 ∠-90° A

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A three-phase -connected generator is driving a balanced load such that...

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?

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