Synchronous motor - construction and working Synchronous motor and induction motor are the most widely used types of AC motor. Construction of a synchronous motor is similar to an a... Read More
Double squirrel cage motor Squirrel cage motors are the most commonly used induction motors, but the main drawback in them is their poor starting torque due to low r... Read More
Universal Motor - construction, working and characteristics A universal motor is a special type of motor which is designed to run on either DC or single phase AC supply. These motors are generally s... Read More
Single Phase Motor schematics and working Single phase motors are very widely used in home, offices, workshops etc. as power delivered to most of the houses and offices is singl... Read More
Starting methods of three phase induction motors An induction motor is similar to a poly-phase transformer whose secondary is short circuited. Thus, at normal supply voltage, like in tran... Read More
Crawling and Cogging in Induction Motors Crawling and cogging both are particularly related to squirrel cage induction motors . Crawling Sometimes, squirrel cage induction ... Read More
Standard types of squirrel cage motors Squirrel cage motors are standardized into different types according to their electrical characteristics. These standard types are called... Read More
Speed control methods of induction motor An induction motor is practically a constant speed motor, that means, for the entire loading range, change in speed of the motor is quite s... Read More
Torque equation of three phase induction motor Torque of a three phase induction motor is proportional to flux per stator pole, rotor current and the power factor of the rotor. T ∝ ... Read More
Production of rotating magnetic field in polyphase stator In an induction motor , when AC supply is given to the the stator, magnetic flux is produced which is revolving at synchronous speed. Th... Read More
Three Phase Induction Motor A three phase induction motor runs on a three phase AC supply. 3 phase induction motors are extensively used for various industrial appli... Read More
Working principle and types of an Induction Motor Induction Motors are the most commonly used motors in many applications. These are also called as Asynchronous Motors , because an induct... Read More
Faraday's law and Lenz's law of electromagnetic induction Faraday's laws of of electromagnetic induction explains the relationship between electric circuit and magnetic field. This law is the ... Read More