Answer / michael

i dont think it is possible,
because i know 1400rpm is
the rated speed or full load speed,
even we vary the frequency still
it will overload because the
2000rpm is higher than the
full load rpm.

Answer / gumnam parinda

u can use variable frequency drive. Yaskava, fugi,franic are the
drive's compney, u can increase or decrease the speed by increse
or decrease the frequency. This is the best method for speed
purpose and also for protection purpose

Answer / simon peter

Use a 3 phase VARIAC transformer bcs v is directly prop to I & if both r increased the speed will increase automatically.....

what is the circutor?why we use it ?

0 Answers  

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What are the different types of transformers?

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0 Answers   vssc,

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0 Answers   Caterpillar,

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4 Answers  

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3 Answers   BDL,

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what is the Auto Mains Failure Panel function in DG?state its function?

3 Answers  

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why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

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0 Answers   ABB, APL,

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Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

0 Answers   Noida Power,

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which relay is used for both detection & correction?(there is only one relay)

2 Answers  

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

0 Answers  

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