Answer / elangeswaran

the motor speed will increase the increase in frequency
lead to more heating due to iron and hysterisis losses as
they are directly propotional to frequency. the mechanical
design also will not support the high speed

Answer / lalchhotex

when we increse frequency of motor through drive in this
condition motor RPM also increase

Answer / prasad bhagwaty

if drive freuqvency increased then motor speed incresed but motor over heated 

I want to wire sizing calculator which website is available it

1 Answers  

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How capacitor connect in 3 phase supply???

1 Answers   L&T,

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how to calculate current in HT side when we having LT current

2 Answers  

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Why is our voltage always seems to be 3.3Kv,11Kv,66Kvetc.. why not 40Kv,39Kv,65Kv???

3 Answers  

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present we are having 0.8pf but I want increase it up to 0.99 so what is the formula for it and how can i calculate?

3 Answers   ABB,

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What is the difference between a fuse and a breaker?

0 Answers  

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how to test YNyn0 vector group in transformer?

0 Answers  

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specify the inbuilt protections in DG

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why neutral busbar size is SAME of the phase busbar size UPTO 200A IN LT PANELS

1 Answers   IBS,

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in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 Answers  

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our scope called one core cable for distribution system so we like to use 4 core cable with one equipment grounding conductor so what kind of technical reasons i can say that the 4core is better then 1 core,

2 Answers   Elite Construction,

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How To increase Knowledge Of boliler regarding To Only Electrical Field..

0 Answers  

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