A three-phase load is connected to a three-phase balanced supply as shown in the figure. If $V_{an} = 100\angle 0^\circ$ V, $V_{bn} = 100\angle -120^\circ$ V and $V_{cn} = 100\angle -240^\circ$ V (angles are considered positive in the anti-clockwise direction), the value of R for zero current in the neutral wire is ________ $\Omega$ (up to 2 decimal places).

GATE 2018 Electrical Engineering Q47 — Electrical Engineering

GATE 2018Set CombinedQ47NATanswer keyexplanation soonhard

Electrical Engineering · Power Systems - Three-Phase Circuits

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Drill mode: three-phase · 7/18

Figure from the original GATE 2018 paper. (IIT Guwahati archive)

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Recurring concept

Power Systems - Three-Phase Circuits has appeared in GATE Electrical Engineering 3 times across 2 years (2018, 2023).

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three-phasebalanced supplyneutral currentimpedance