Electrical Machines

Star to Delta and Delta to Star Conversion Formula
  • Electrical Machines

Star to Delta and Delta to Star Conversion Formula

The Conversion or transformation or replacement of the Star connected load network to a Delta connected network and similarly a…

7 years ago
  • Electrical Machines

Basics of AC Induction Motors

The basic principle of an AC induction motor is that one or more out-of-phase AC (sinusoidal) currents energize sets of…

7 years ago
  • Electrical Q & A

Electrical Machines Objective Questions

Electrical Machines Questions & Answers 1. Magnetic Circuits Principle of Energy Conversion Excited Magnetic Systems 2. Basic Concepts in Rotating…

6 years ago
  • PLC Tutorials

Transformer Open and Short Circuit Tests

We conduct open circuit and short circuit test on single phase transformer to determine the  efficiency and regulation of a…

8 years ago
  • Electrical Machines

Transformer Tap Changing Working Principle

Tap changing in Transformers It is a normal fact that increase in load lead to decrease in the supply voltage.…

8 years ago
  • Electrical Machines

Advantages and Disadvantages of Squirrel Cage Induction motor

Squirrel Cage Induction Motor: Squireel cage induction motors are widely used in industries. Almost 70% of the industrial motors and drives comes under…

5 years ago
  • Electrical Machines

Synchronous Generator Salient Pole vs Non Salient Pole

Salient Pole Synchronous Alternator: Salient pole Generators will have large diameter and short axial length Pole shoes cover 2/3 of the pitch…

5 years ago
  • Electrical Machines

Why Armature is placed on Stator for Synchronous machines

Operation principle of synchronous machine is quite similar to dc machine. However difference exists in the synchronous machine as there…

5 years ago
  • PLC Tutorials

Advantages and Disadvantages of Slip Ring Induction Motor

Advantages: High Starting torque with low starting current. Maximum starting can be attained in the slip ring motor compared to…

8 years ago
  • PLC Tutorials

Squirrel Cage Induction Motor vs Slip Ring Induction Motor

Advantages of Squirrel-Cage Induction Motors The advantages of squirrel-cage motors compared with the slip ring induction motors are given below (i) They…

8 years ago