Features of Traction Drives: Various Features of Traction Drives are: 1. Large torque is required during start and acceleration in order to accelerate the heavy mass. 2. The motor is…
Dynamic Braking of Induction Motor(or Rheostatic Braking): (a) AC Dynamic Braking - AC Dynamic Braking of Induction Motor is obtained when the motor is run on a single phase supply…
Crossed Field Amplifier: The Crossed Field Amplifier is a microwave power amplifier based on the magnetron and looking very much like it. It is a cross between the TWT and…
Sample and Hold Circuit: Four basic sample and hold circuit are shown in Fig. 14.141. In these circuits a JFET is used as switch. During the sampling time the JFET…
Supply Systems Articles: Electric Supply System: The conveyance of electric power from a power station to consumers’ premises is known as Electric Supply System. An electric supply system consists of…
Introduction to Modern Power System Articles: Introduction to Modern Power System Planning: In Modern Power System Planning, electric energy is an essential ingredient for the industrial and all-round development of…
Inductance and Resistance Articles: Definition of Inductance of Transmission Line: The formula for definition of inductance of transmission line is as follows: Voltage induced in a circuit is given by…
Ammeters Articles: DC Ammeter: The PMMC galvanometer constitutes the basic movement of a dc ammeter. Since the coil winding of a basic movement is small and light, it can carry…
