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

IN a transformer during power supply how the LV and HV bushing works??

3 Answers   CSEB,

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In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

0 Answers  

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if we convert ampers into kwh or mwh ,which one formula use by us,pls tell me?

3 Answers  

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define one ampere?

2 Answers  

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

0 Answers  

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How to determine stage of Automatic Power factor controlling Relay(Apfcr)?

0 Answers   ABC,

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What is the Difference Between resistance and resistivity?

2 Answers   Sun Pharma,

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the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

0 Answers  

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wow to calculate the transformer rating(KVA)

0 Answers  

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Which is the best protection in case of shortcircut fuses or mccb ?

2 Answers  

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why tube light flicks??

1 Answers  

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Send me Model Question paper for the post Scientific Assistant in NPCIL

0 Answers  

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