WebFeb 24, 2014 · Armature Reaction in DC Generator (a) The component Fd is in direct opposition to the m.m.f. OFm due to main poles. It has a demagnetizing effect on the flux … WebOct 31, 2014 · Armature Reaction • In a d.c. generator, the purpose of field winding is to produce magnetic field (called main flux) whereas the purpose of armature winding is to carry armature current. Although the armature winding is not provided for the purpose of producing a magnetic field, nevertheless the current in the armature winding will also ...

Armature Reaction in DC machines electricaleasy.com

WebA DC machine is an electromechanical device that is used to convert electrical energy into mechanical energy or vice versa. The DC machine used to convert electrical energy into mechanical energy, which is known as DC motor and the DC machine used to convert mechanical energy into electrical energy, which is known as DC generator. WebFeb 24, 2012 · After this short-circuit time the armature coils rotates under S pole and rotates between a negative brush and its succeeding positive brush. Then the direction is reversed which is in the away from the commutator segments. This phenomena of the reversal of current is termed as commutation process. We get direct current from the … telefone sac casas bahia

Armature Reaction in a DC Generator - TutorialsPoint

WebArmature reaction is the effect on the main field flux of that flux set up by the currents in the armature winding. The effect is the same for both lap- and wave-wound machines. In a … WebOct 12, 2024 · Armature reaction is the effect of magnetic flux produced by the armature current on the distribution of flux under the main poles of a DC generator. The armature … WebDec 29, 2015 · The armature flux causes two effects on the main field flux. The armature reaction distorted the main field flux. It reduces the … telefone sac casas bahia 0800