WHAT DO YOU KNOW ABOUT DC GENERATOR ?

 A DC generator or direct current generator generates a voltage when speed and flux are met. This machine is called a unidirectional (dynamo). It consists of the same basic elements as a simple AC generator, like the multi-turn coil rotating uniformly in a magnetic field. The output of which is a series of emf pulses, all in the same positive direction, resulting in an average EMF developed across the load. Increasing the number of coils thereby smoothen the output, providing more pulses at each revolution. The generated voltage depends upon the number of poles and armature winding turns. It has an armature with iron core and air gap which is uniform in the vicinity of the center of the pole and which becomes larger as the pole tips are approached. This construction gives a uniform flux distribution under the main parts of the pole face with a reduction in the flux at pole tips.to produce an emf the conductor must cut the magnetic lines of force. The single coil is connected to two copper segments by carbon brushes. As before, the output electromotive force is a result of the coil cutting across the lines of magnetic flux. With any inductive machine, an emf will only be generated while the lines of flux are being cut. Stop the rotation at any angle and the output falls to zero. A DC generator or direct current generator generates a voltage when speed and flux are met. This machine is called a unidirectional (dynamo). It consists of the same basic elements as a simple AC generator, like the multi-turn coil rotating uniformly in a magnetic field. The output of which is a series of emf pulses, all in the same positive direction, resulting in an average EMF developed across the load. Increasing the number of coils thereby smoothen the output, providing more pulses at each revolution. The generated voltage depends upon the number of poles and armature winding turns. It has an armature with iron core and air gap which is uniform in the vicinity of the center of the pole and which becomes larger as the pole tips, are approached. This construction gives a uniform flux distribution under the main parts of the pole face with a reduction in the flux at pole tips, to produce an emf the conductor must cut the magnetic lines of force. The single coil is connected to two copper segments by carbon brushes. As before, the output electromotive force is a result of the coil cutting across the lines of magnetic flux. With any inductive machine, an emf will only be generated while the lines of flux are being cut. Stop the rotation at any angle and the output falls to zero. A DC generator or direct current generator generates a voltage when speed and flux are met. This machine is called a unidirectional (dynamo). It consists of the same basic elements as a simple AC generator, like the multi-turn coil rotating uniformly in a magnetic field. The output of which is a series of emf pulses, all in the same positive direction, resulting in an average EMF developed across the load. Increasing the number of coils thereby smoothen the output, providing more pulses at each revolution. The generated voltage depends upon the number of poles and armature winding turns. It has an armature with iron core and air gap which is uniform in the vicinity of the center of the pole and which becomes larger as the pole tips are approached. This construction gives a uniform flux distribution under the main parts of the pole face with a reduction in the flux at pole tips, to produce an emf the conductor must cut the magnetic lines of force. The single coil is connected to two copper segments by carbon brushes. As before, the output electromotive force is a result of the coil cutting across the lines of magnetic flux. With any inductive machine, an emf will only be generated while the lines of flux are being cut. Stop the rotation at any angle and the output falls to zero