SSC JE Electrical Engineering 2015 Paper

Question : 133 of 199

Marks: +1, -0

In a three phase system, the volt ampere rating is given by?

Solution:

The 3-phase power

'P' = 3V_p I _p \cos θ

for star connection

V_{\Line }= √3V_{Ph}

I_{\Line }= √3V_{Ph}

P =√ 3V_{\Line} I_{\Line} Cosθ

Go to Question:

Prev Question

Next Question