Question-4 For each of the following main parts that make up the alternator (1 to 4), choose the correct description about their functions (a to d). 1. Rotor 3. Rectifier 2. IC regulator 4. Brush and slip ring a) This part allows current to flow into the rotor coil to generate magnetic field. b) This part is used for performing the full-wave rectification to convert the three-phase alternating current into direct current. c) This part is a device to regulate voltage generated at the alternator constant. d) This part is a electromagnet turning inside the stator coil.
Question-4 For each of the following main parts that make up the alternator (1 to 4), choose the correct description about their functions (a to d). 1. Rotor 3. Rectifier 2. IC regulator 4. Brush and slip ring a) This part allows current to flow into the rotor coil to generate magnetic field. b) This part is used for performing the full-wave rectification to convert the three-phase alternating current into direct current. c) This part is a device to regulate voltage generated at the alternator constant. d) This part is a electromagnet turning inside the stator coil.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter32: Three-phase Motors
Section: Chapter Questions
Problem 8RQ
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Synchronous Generator
In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.
Salient Pole Rotor
Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.
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