GATE EE 2016 Set 1 — Question 31

MCQ+1 / -0.33MediumInduction GeneratorThree-Phase Induction MachinesElectrical MachinesV-CurvesSynchronous Machines

Electrical Machines → Synchronous Machines → Induction Generator

Last updated 5 September 2026

Question

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Correct answer (A) Synchronous motor and synchronous generator are sources and induction generator is a sink of reactive power. Solution Based on the reactive power characteristics of electrical machines: 1. Synchronous Generator at lagging power factor : An overexcited synchronous generator supplies reactive power to the system. Thus, it is a source of reactive power. 2. Synchronous Motor at overexcited condition : An overexcited synchronous motor acts like a synchronous condenser and supplies reactive power to the system. Thus, it is a source of reactive power. 3. Induction Generator : Induction machines (whether motor or generator) always require reactive power from the grid for excitation. Thus, an induction generator is a sink of reactive power. Therefore, the synchronous motor and synchronous generator are sources, and the induction generator is a sink. Option (A) is correct. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (A) Synchronous motor and synchronous generator are sources and induction generator is a sink of reactive power. Solution Based on the reactive power characteristics of electrical machines: 1. Synchronous Generator at lagging power factor : An overexcited synchronous generator supplies reactive power to the system. Thus, it is a source of reactive power. 2. Synchronous Motor at overexcited condition : An overexcited synchronous motor acts like a synchronous condenser and supplies reactive power to the system. Thus, it is a source of reactive power. 3. Induction Generator : Induction machines (whether motor or generator) always require reactive power from the grid for excitation. Thus, an induction generator is a sink of reactive power. Therefore, the synchronous motor and synchronous generator are sources, and the induction generator is a sink. Option (A) is correct.

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