What is Active Filters and types of active filters: Active Filters is a circuit that is designed to pass a specified band frequencies while attenuating all the signals outside that band. It is…
Ion Implantation Process in IC Fabrication: As we know, the conductivity of the semiconductor increases when small impurity is added to it. The process of adding impurity is called doping…
Brushless DC Motor: The term Brushless DC Motor is applied to many configurations of ac synchronous motors in which semiconductor control is used to control stator currents such that maximum…
Separately Excited DC Motor for Dynamic Analysis: Separately Excited DC Motor for Dynamic Analysis - The DC machines are quite versatile and are capable of giving a variety of V-A…
Magnetization Characteristics of DC Generator: The emf and torque equations, and power balance has been considered so far. The consideration of the Magnetization Characteristics in this section will set the…
Methods of Excitation of DC Generator: The performance characteristics of a dc machine are greatly influenced by the way in which the field winding is excited with direct current. There…
Armature Reaction in DC Machine: When the armature of a dc machine carries current, the distributed armature winding produces its own mmf (distributed) known as armature reaction in DC Machine.…
EMF and Torque Equation of DC Machine: EMF and Torque Equation of DC Machine - It was shown in Sec. 5.2 (Fig. 5.14 (a)) that in a dc machine the…