chapter 4 dc machine Dristi.pdf

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DC Generat or
u A dc generat or is a machine t hat
convert s mechanical energy int o
elect rical energy (dc volt age and current )
by using t he principle of magnet ic
induct ion.
u In t his example, t he ends of t he wire
loop have been connect ed t o t wo slip
rings mount ed on t he shaft , while
brushes are used t o carry t he current
from t he loop t o t he out side of t he

Principle of magnetic induction in DC machine