Rotating Magnetic Field in a 3-Phase Induction Motor
The stator of an induction motor consists of a number of overlapping windings offset by an electrical angle of 120°. When the primary winding or stator is
Induction Motor
About 98 % of the motors used in the world is induction motor. The induction motor is simple in construction. It is robust,rugged and reliable motor. All the posts written about induction motor is useful for engineering students and the professional engineers working in the field. I tried to cover every practical aspects in the posts. Happy Readings !!!
Application of Squirrel Cage And Slip Ring Induction Motor
Squirrel cage and slip ring induction motors are widely used in industrial and commercial applications due to their ruggedness and efficiency. While both are types
Why Induction Motor Takes High Starting Current?
Why does an induction motor take high starting current? When an electric motor starts, especially an induction motor, it draws a large amount of current.
Why is Star Delta Starter Preferred with an Induction Motor?
Why star delta starter is preferred with induction motor can be understood from the following explanation. In star delta starting, the phase voltage is 58%
Why Are Rotor Bars Skewed in An Induction Motor?
What is Skewing of Rotor Slots? As shown in the above picture, the rotor bars of an induction motor are not parallel with the shaft,
Star Delta Starter | Working Principle, Power and Control Circuit Diagram
A star delta starter is a widely used method for reducing the inrush current when starting a three-phase induction motor. In this article, we’ll explore
Direct Online Starter (DOL Motor Starter): Circuit Diagram and Working Principle
Direct online starter is a method of starting an induction motor. The stator of the motor receives the full supply voltage in the DOL starter.
Air Gap in Induction Motors: Effects on Efficiency, Power Factor, and Noise
The air gap in an induction motor—the small physical distance between the stator and the rotor—has a major impact on the machine’s performance. Although it
Torque-Slip Characteristics of an Induction Motor: Modes & Applications
The torque-slip characteristics of an induction motor are essential for understanding how the motor behaves under various load conditions. These characteristics help evaluate how slip
Cogging and Crawling in Induction Motor
The phenomenon of cogging and crawling in induction motor happens due to improper motor design or operation by feeding the harmonic-rich supply source. The adverse effects