Answer / srnmurali

to start a motor we need rotating magnetic field. this will
be produced by two windings.

Answer / dhivyabharathi

To produce rotating magnetic field, atleast two windings(two
fluxes) are required.So, primary and auxiliary windings are
given.

Answer / viswanatha reddy

why we are using two wdgs means one wdg is used for strting purpose and another wdg is used for running purpose

what is working of communitator in a dc generator?

3 Answers  

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what are the safety in transformer,diesel generator,ups, chiller plant,h.t. , L.t. , sewage treatment plant(stp),water treatment plant(wtp), fire. plz ans. me in detail if you know any of the mention above. i urgently need

2 Answers   Claris Lifesciences, EFS,

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WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

0 Answers  

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what is the use of megger? and types

11 Answers   TNEB Tamil Nadu Electricity Board,

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What is the difference between Droop vs Isoch Control?

0 Answers  

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how do we know the LT or HT panel trip by some broblem which indication willshow

2 Answers   TATA,

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a new 3ph induction motor doesn't rotates their ratted speed, why ?

2 Answers   Sail,

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how to checking earth restence with earthtester

1 Answers   NTPC,

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Why the ceiling fan rotates in clockwise direction and table fan rotates in anticlockwise direction.

3 Answers   Kirloskar, MPF, Wipro,

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State the points to be considered for selecting a particular type wiring.

0 Answers  

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why frequency should be constant?

2 Answers  

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what is stray loss in transformer?

19 Answers   Vijai Electricals,

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