What is the importance of slip in an induction motor?
The induction motor can’t run if there is no slip. What is a slip of an induction motor? Let us first understand the slip of … Read more
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 !!!
Why does an Induction Motor has Poor Power Factor at NO Load?
The power factor of an induction motor is very low, in the range of 0.1 to 0.3 when the motor runs at no load. There … Read more
Deep Bar Double Cage Induction Motor
Double Cage Rotor Induction Motor provides high starting torque and low starting current. In this post, we will discuss the construction, operation, and characteristics of … Read more
Rotating Magnetic Field in Three 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 … Read more
Application of Squirrel Cage And Slip Ring Induction Motor
There are two types of 3-phase induction motors. These are the squirrel cage induction motor & slip ring induction motor. We shall discuss the application … Read more
Why Induction Motor Takes High Starting Current?
Working Principle of Induction Motor: The induction motor draws a high starting current compared to the running condition. The starting current of the induction motor … Read more
Why is Star Delta Starter Preferred with an Induction Motor?
In star delta starting, the phase voltage is 58 % of the line voltage when the motor is first connected in the star connection. The … Read more
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, … Read more
Star Delta Starter | Working Principle, Power and Control Circuit Diagram
Introduction to Star Delta starter: Star delta starters are widely used to start a three-phase induction motor. In star-delta starting, the motor is first connected … Read more
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. … Read more