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Electrical Machines

  • differences between AC and DC motors
    Electrical Machines

    Differences Between AC and DC Motors

    What are the key differences between AC and DC motors? As with the different types of DC motors, the main difference ...
    Bharadwaj
    March 17, 2016
  • Zigzag transformer principle
    Electrical Machines

    Zigzag Transformers Theory

    The most common connection used in grounding transformers is the Zig-Zag connection. The grounding transformer is commonly referred to by ...
    Bharadwaj
    March 16, 2016
  • damper-winding-in-salient-pole-rotor
    Electrical Machines

    Synchronous Motor Starting Methods

    In the previous article we came to know that synchronous motors are not self starting so to make them start ...
    Bharadwaj
    March 16, 2016
  • Why synchronous Motor Is Not Self Starting
    Electrical Machines

    Synchronous Motor Is Not Self Starting?

    To get a clear idea about this question consider a rotating magnetic field as equivalent to physical rotation of two ...
    Bharadwaj
    March 16, 2016
  • synchronous motor working principle
    Electrical Machines

    Synchronous Motor Working Principle

    A motor is an electro-mechanical device which converts electrical energy to mechanical energy. and a 3 phase motor runs at ...
    Bharadwaj
    March 16, 2016
  • Generator Losses
    Electrical Machines

    Losses in a DC Generator

    Efficiency is a very important specification of any type of electrical machine. When we talk about efficiency, losses comes into ...
    Bharadwaj
    March 9, 2016
  • Transformer Types
    Electrical Machines

    Types of Transformers

    A transformer is an extended version of an inductor. The flux that is created inside the inductor is used here ...
    Bharadwaj
    March 9, 2016
  • Transformer Efficiency
    Electrical Machines

    Transformer Energy Losses & Efficiency

    Transformers reduce the voltage of the electricity supplied by the utility to a level suitable for use by the electric ...
    Bharadwaj
    March 9, 2016
  • Types of AC Motors and DC Motors
    Electrical Machines

    Types of AC Motors and DC Motors

    Electric motor is a machine which converts electric energy into mechanical energy. Its action is based on the principle that ...
    Bharadwaj
    March 7, 2016
  • Squirrel Cage Motors
    Electrical Machines

    Difference Between Squirrel Cage and Slip Ring Motors

    A wound-rotor motor (Slip Ring Motor) is a type of induction motor where the rotor windings are connected through slip ...
    Bharadwaj
    March 7, 2016
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