Answer / guest

since V/f is constant hence flux will remain constant.

Answer / prateekd

if v/f ratio does not remain constant then there is increase
in air gap flux which will get machine saturated.

Answer / satyadeo vyas

https://www.quora.com/Why-is-the-VF-ratio-kept-constant-in-the-VFD/answer/Satyadeo-Vyas-1?ch=10&share=f1386f09&srid=CMgSL

i HP = ?? 746 watts or 735.5 and how??

1 Answers  

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why heat produced at junction of two different conductor. what care should be taken to minimize it.

11 Answers   Birla, Maihar Cement,

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how to calculate induction motor rating (HP) if name plate is missing from motor at site condition ?

6 Answers   ABB, apatel, Bhel, Spatel, Voltas,

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what is units of resistance

3 Answers  

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What is the specification of service line (ie from electrical post to cut out) used by electricity boards used in india.i mean which material,its size etc.. please give the answer at lalkishan.p@gmail.com

0 Answers  

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what is the diffrence between earth and neutral.

1 Answers  

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motor and transformer working with same principle so why motor rotor was roted and transformer not roted

9 Answers   ABB, Suzlon,

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What is industrial automation ??????

5 Answers  

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solar cell voltage?

2 Answers  

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Can u explain : how capacitor act when the supply is given is a.c and d.c. I know that when d.c supply is given then the capacitor charges and becomes open circuited. But please say about when a.c is given. I have seen that when a.c supply is given ,it charges and discharges, But when we plug in capacitor to our daily supply and take it out ,then we join those wires spark will appear,which seems charge is present ,but when a.c is given it should charge and discharge

3 Answers  

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.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

2 Answers   ABB,

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what is meant by reactive power ?

5 Answers  

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