DC MACHINES
FARADAY’S LAW OF ELECTRO MAGNETIC INDUCTION
Len’s Law The direction of induced emf is given by Lenz’s law According to this law, the induced emf will be acting in such a way so as to oppose the very cause of production of it. e = -N (dØ/dt) volts
Len’s Law
DC GENERATOR FLEMING’S RIGHT HAND RULE
DC MOTOR FLEMING’S LEFT HAND RULE
AC GENERATOR or ALTERNATOR
AC GENERATOR OPERATION
DC GENERATOR
DC GENERATOR OPERATION
DC GENERATOR CURRENT DIRECTION
DC GENERATOR CONSTRUCTION
YOKE
POLES or FIELD COILS
POLES or FIELD COLIS
ARMATURE COIL
ARMATURE WINDING
ARMATURE (LAP) WINDING
WINDINGS
COMMUTATOR
DC MACHINE
DC MACHINE OVERALL CONSTRUCTION
Brush rock and holder