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
Electrical
DC Shunt Motor : Construction, Speed Control & Characteristics
In this post, we will discuss the construction, speed control, and characteristics of DC shunt motors. CONSTRUCTION OF SHUNT DC MOTOR The field winding of … 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
Difference between Earthing, Grounding, and Neutral
In this article, we will explore the difference between grounding and neutral in electrical systems. While grounding and earthing may seem like interchangeable terms, there … Read more
Why DC Series Motor is Used For Driving Heavy Loads?
The field and armature winding of the DC series motor are connected in the series and carry the same current. The torque of the DC … Read more
Transformer Oil BDV Test
The BDV of transformer oil is the breakdown voltage of transformer oil. The BDV or dielectric strength of oil is the maximum voltage withstand capacity … Read more
Energy Efficient Motors
Energy efficient motors are the most economical because these motors have higher efficiency than conventional motors like EFF-1 and EFF-2. The economic production of the … Read more
Effects of Air Gap On the Performance of Induction Motor
The constructional overview of the induction motor The induction motor has a stator and the rotor as its major parts. The stator is a stationary … Read more