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- Subject
- D.C. Generatorselectrical-engineering-mcqs › d-c-generators
- Published
- 5 Jul 2018
- Last updated
- 28 May 2026
Explanation
For two DC generators to run in parallel without issues, their voltage characteristics must droop similarly under load. This ensures proper load sharing and stable operation. Matching power ratings or speeds alone does not guarantee successful parallel operation.
More D.C. Generators MCQs
Practice related questions from the same subject.
- 1.What fundamental principle does a direct current (D.C.) generator operate on?
- 2.Under what condition can a series generator initiate self-excitation?
- 3.If the open circuit voltage of a compound generator is 250 V, what can be said about its terminal voltage when operating at full load?
- 4.A series generator has a terminal voltage of 150 V at a load current of 5 A. What will the terminal voltage be if the load current rises to 10 A?
- 5.Under what condition can a shunt generator initiate self-excitation?
- 6.For a DC generator, which value of voltage regulation is considered ideal?
- 7.Two DC shunt generators, each having an armature resistance of 0.02 ohms and a field resistance of 50 ohms, operate in parallel to deliver a combined load current of 1000 A. If their electromotive forces (e.m.f.) are 270 V and 265 V respectively, what will be the voltage at the bus bars?
- 8.Why is an equalizer bar employed when two DC generators operate in parallel?
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