A symmetrical star connected system has VRN = 230∠0⁰. The phase sequence is RYB. Find VRY.

A symmetrical star connected system has VRN = 230∠0⁰. The phase sequence is RYB. Find VRY. Correct Answer 398.37∠30⁰

Since the system is a balanced system, all the phase voltages are equal in magnitude but displaced by 120⁰. VRN = 230∠0⁰V. VRY = √3×230∠(0o+30o)V=398.37∠30oV.
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