ILEKTECH

A generator is a machine which converts the mechanical energy into electrical energy. It works on the principle of Faraday's law of electromagnetic induction. DC Generators produce the direct current. Ordinary generator working             The figure shows two pole and one coil generator, two slip rings are connected with the two terminals of the coil.  Figure 1: The coil is at 90 degree to the field, there will be no cutting of flux so no emf is produced Figure 2: The coil sides are parallel to the field; hence maximum emf will be induced Figure 3: The coil is in the same position as in figure 1, but ab side is downwards and cd is upwards, there is no voltage will be induced. Figure 4: It is similar to figure 2, maximum emf is induced but in the reverse direction. Figure 5: In this way a cycle of ac voltage is completed.  Commutation Commutation in a dc machine is the process of converting alternating c...