WHAT IS THE DIFFERENCE B/W THREE POINT STARTER AND FOUR POINT STARTER

1 Answers  

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

0 Answers  

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Why in USA supply voltage parameters(230V,60Hz)are different,is there any advantage please brief.

1 Answers   APC, DRJ ARDE,

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why are use star delta startor.

4 Answers  

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what is the value of the earth resistance in mositure place

3 Answers   HCL,

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what happens when a dc shunt motor fed with an alternating suppy ?

1 Answers  

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Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

0 Answers   Bhel,

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why the transformer is not operates on two phase?

1 Answers   APGenco, Atkins, FFBL,

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what is the change over switch ,switch disconnector ,bypass switch and switch disconnector fuse unit?

1 Answers  

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What is AVR in Generators and How is it working.

4 Answers  

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The Source internal resitanse Rs , When equal to Load resistance RL, the maximum transfered is of _____ % of input power?

2 Answers  

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why series motor cannot be started on no-load?

6 Answers  

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