Answer / urvish mehta

basically motors used in fans are 1-phase induction motor...$ this 1 phase induction motor can not start itself .....it need some equipment which provides necessary phase shift between its stator & rotor.....capacitor serves this purpose in fans....

(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

0 Answers   Cognizant,

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what happen if i change the polarity of ac when it is connected with motor

3 Answers  

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completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

0 Answers  

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In one village i have seen Earthing transformer's earthing line was also connected to the Transformer body to ground the transformer,can it be possible to maintain 0Volt reutral line this way?

2 Answers  

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what is the difference between id fans and fd fans

12 Answers   Perkins Thermal Systems,

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what is basic difference between the normal tube light choke and electionic choke ?

4 Answers   Amaron,

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Whats the diference between Induction motor and servo motor

3 Answers   Essar, PMT Machines,

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Why is shaft current insulation required on large motors & when should it be checked i.e. before or after assembly?

2 Answers   Aramco,

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flurescent bulb rating is to 230v,50HZ.now flurescent connected 230v,25HZ.whether nreduced frequency will affect the glowing properties of flurescent.

6 Answers  

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what is relation of rpm with Power supply? rpm directly Proposational to power ?

2 Answers  

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If the secondary winding will be open in current transformer, how to damage the insulators

2 Answers   TPDDL,

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what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?

3 Answers  

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