DC Generator: Construction and Principle
This Article explains the how the DC generator works, and constructional details of DC generator. DC generator is a Machine which converts mechanical energy into electrical energy. Rotating prime movers help to move the armature conductor in the stationary magnetic field, so that the conductor cuts the magnetic field, an e.m.f induced in the conductor ( according to faradays law ). If induced e.m.f collected by brush and slip ring the e.m.f is forming the sine wave (AC, i.e +ve and -ve values) due changing value of cutting the flux in different positions of the conductor. simple ac generator, image source: Wikipedia When it right angle to field, emf is zeo (at 0°,180°,360°), But when it align with magnetic field e.m.f values are maximum(at 90°,270°). in between these positions, the e.m.f values are in between zero and maximum, positive (between 0° to 90°, between 90°to180°) and negative (between 180° to...
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