Calculate the Induction Motor Efficiency, Mechanical Engineering

Assignment Help:

A three phase squirrel cage induction motor has the nameplate data shown in Table I below

332_Calculate the Induction Motor Efficiency.png

 Table I : Induction Motor Nameplate Data.

a)  Calculate the induction motor efficiency for the load test.

b)  It is required to supply the same torque at a speed of 1200rpm. Approximately, determine the supply voltage and frequency required to achieve this speed and torque condition.

[Hint: Neglect the effects on the induction motor variable speed torque response due to R1 and the mechanical losses.]

c)  Explain why the supply frequency must change from 50Hz in order to achieve the loading condition.

 

 

 


Related Discussions:- Calculate the Induction Motor Efficiency

Explain the electron beam machining, Explain the Electron Beam Machining ...

Explain the Electron Beam Machining Electron Beam Machining is the metal removal process by a high velocity focused stream of electrons which heats, melts and vaporizes the

Determine the tension and reaction in cable - mechanics, Q:  The12m boom A...

Q:  The12m boom AB weight 1 KN, the distance of center of gravity G is 6 m from point A.  For the position given, determine the tension T in cable and reaction at B.

Calculate sif of crack - beam, Calculate sif of crack - beam: An edge ...

Calculate sif of crack - beam: An edge cracked beam carries crack in its central plane whose lengths is 5 mm. A load of 1000 N is applied opposite to crack so that crack would

What is the velocity of the crosshead - crank, What is the velocity of the ...

What is the velocity of the crosshead - crank: In the slider crank mechanism shown in Figure, the crank is rotating clockwise at 120 revolution/minute. What is the velocity of

Find out stress - strain and elongation of bar, Find out stress - strain an...

Find out stress - strain and elongation of bar: A circular rod having diameter 20 m and 500 m long is subjected to the tensile force of 45kN. The modulus of elasticity for st

Mircometer, How is a micrometer used?

How is a micrometer used?

Determine the half-space method, Half-space Method Solid representation...

Half-space Method Solid representation is based fundamentally on the notion that a physical object divides an n-dimensional space E n into two regions: interior and exterior,

Application of hot service insulation, Q. Application of hot service insula...

Q. Application of hot service insulation? Provision for the expansion of hot equipment shall include the installation of expansion springs in circumferential banding securing i

Evaluate natural frequency of damped vibrations, What are various types of ...

What are various types of damping ? Explain viscous damping. A vibrating system is defined by the following parameters : m = 4Kg, K = 10N/m, C =3N-Sec/m Evaluate (a) Na

Discover the maximum safe air pressure, Discover the maximum safe air press...

Discover the maximum safe air pressure: A cylindrical compressed air drum is equal to 2 m in diameter along plates 12.5 mm thick. The efficiencies of the longitudinal (η l ) a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd