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Electrical Machines

  • Transformer Open and Short Circuit Tests
    Electrical Machines

    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 ...
    Bharadwaj
    July 3, 2016
  • Advantages and Disadvantages of Squirrel Cage Induction motor
    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 ...
    Bharadwaj
    April 28, 2016
  • Synchronous Generator Salient Pole vs Non Salient Pole
    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 ...
    Bharadwaj
    April 28, 2016
  • Why Armature is placed on Stator for Synchronous machines
    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 ...
    Bharadwaj
    April 28, 2016
  • Advantages and Disadvantages of Slip Ring Induction Motor
    Electrical Machines

    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 ...
    Bharadwaj
    April 28, 2016
  • Squirrel Cage Induction Motor vs Slip Ring Induction Motor
    Electrical Machines

    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 ...
    Bharadwaj
    April 28, 2016
  • Difference between Induction motor and Synchronous motor
    Electrical Machines

    Difference between Induction motor and Synchronous motor

    Induction Motor: 3 phase induction motor is self starting. Self starting torque is generated hence no special means is required ...
    Bharadwaj
    April 26, 2016
  • Advantages & Disadvantages Induction Motor
    Electrical Machines

    Advantages & Disadvantages Induction Motor

    Induction Motor: Almost 70% of the machines used in industries now a days are 3 phase induction motors. It works on the ...
    Bharadwaj
    April 26, 2016
  • Starting Current in Induction Motor
    Electrical Machines

    Why Starting Current of Induction Motor is High

    Starting Current in Induction Motor: Starting current of induction motor is as high as 5 to 7 times the normal ...
    Bharadwaj
    April 25, 2016
  • Parallel Operation of Alternators
    Electrical Machines

    Parallel Operation of Alternators

    Requirements of parallel operation of alternators: The alternators which are to be operated in parallel should meet the following requirements ...
    Bharadwaj
    April 25, 2016
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