Pole Changing of Induction Motor: Pole Changing of Induction Motor - For a given frequency, the synchronous speed is inversely proportional to the number of poles. Synchronous speed, and therefore,…
Pole Amplitude Modulation Induction Motor: Pole changing method as already discussed allows a change of speed by a factor 2. In some applications, speed change is required only by a…
Speed Control of Three Phase Induction Motor: The problem of speed control of three phase induction motor in particular is of great practical importance. In a number of industries motors…
Nature of Electric Supply: The nature of electric supply available may be 3-phase ac, single-phase ac or dc. In case three-phase ac supply is available, polyphase induction motor, squirrel cage…
Induction Motor Drives Articles: Three Phase Induction Motors: Three Phase Induction Motors are of two types: squirrel-case and wound-rotor. In squirrel-cage, the rotor consists of longitudinal conductor-bars shorted by circular…
Power Factor Improvement Methods: There are many drives which operate at a low power factor. Some of Power Factor Improvement Methods are: An induction motor direct on line. ac-dc diode…
Fundamentals of Electrical Drives Articles: This Fundamentals of Electrical Drives Articles which includes the following topics: Electric Drive Motor Types of Electrical Drives Choice of Electrical Drives Torque Equation of…
Sugar Mill Process: The Sugar Mill Process the crystals are separated from the syrup by means of a centrifuge. The separation is accomplished by the centrifugal forces set up. The…