Question
Download Solution PDFWhich of the following is a small DC shunt or compound dynamo fixed at one end of an alternator shaft?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe rotor or the field coils in a generator produce the magnetic flux that is essential to the production of the electric power. The rotor is a rotating electromagnet that requires a DC electric power source to excite the magnetic field. This power comes from an exciter.
- Shunt generator can be used as exciter.
- DC generator is coupled to the same shaft as the rotor. Therefore, when the rotor rotates this exciter produces the power for the electromagnet.
- Control of the exciter output is done by varying the field current of the exciter.
- This output from the exciter then controls the magnetic field of the rotor to produce a constant voltage output by the generator.
Last updated on Jun 26, 2025
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