Core Components and Functionality of a DC Generator A DC generator consists of essential parts like the stator, armature coil, split rings, brushes, and galvanometer. The stator provides magnetic fields using permanent magnets arranged around the rotor. As the armature loop rotates within this field, an electromotive force (EMF) is induced due to cutting through magnetic lines. Split rings reverse current polarity every half rotation to maintain unidirectional flow while carbon brushes collect current from commutator segments.
Working Principle and Applications of a DC Generator The working principle relies on maintaining constant current direction by automatically switching contacts between wires via split ring commutators during each half-rotation. Fleming's right-hand rule determines induced current direction based on force orientation relative to magnetic fields in clockwise or counterclockwise rotations; increased rotational speed amplifies EMF magnitude but retains its directional consistency per setup design advantages include simplicity reliability voltage stability easy speed control with applications spanning boosters welding equipment battery charging solar systems emergency power solutions among others