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The relationship between line and phase voltages and currents in star connected networks is given by
Question

The relationship between line and phase voltages and currents in star connected networks is given by

A.

Vph= VL , Iph=IL/√3

B.

Vph=VL/√3, Iph=IL/√3

C.

Vph= VL, Iph= IL

D.

Vph=VL/√3, Iph= IL

Correct option is D

StarDeltaVoltageVLine=3×VPhaseVLine=VPhaseCurrentILine=IPhaseILine=3×IPhase\begin{array}{|c|c|c|}\hline& \textbf{Star} & \textbf{Delta} \\\hline\textbf{Voltage} & V_{Line} = \sqrt{3} \times V_{Phase} & V_{Line} = V_{Phase} \\\hline\textbf{Current} & I_{Line} = I_{Phase} & I_{Line} = \sqrt{3} \times I_{Phase} \\\hline\end{array}​​

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