Answer / santosh

First stop the system folw.Make the reverse direction in
VFD & decrease the speed slowly.Now make it forword and run.

Answer / rahul

If fan get trip ultimatetly drive will trip . first reset
drive if problem is continue then check motor terminal
&then check drive terminal like forward run , reverse run

What are the advantages of individual drives?

1 Answers   A1 Electricals, Suzlon,

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why we changed the polarity of DC generator ?

1 Answers   DMRC, Microsoft,

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What are linear and non-linear systems?

0 Answers  

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role of europe union in UK safety legistlation (electrical safety)

0 Answers  

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if we convert kva into Ampers,which one formula use by us,pls tell me?

7 Answers   ABB,

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Why neutral is used in electrical system?

2 Answers  

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How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

0 Answers  

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what is the difference between current voltage transformer and current transformer and where it is used?

2 Answers  

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for same rating of a transformer and induction motor which one will have higher magnetising current flowing?

2 Answers  

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whay we used silica gel in Transformer

3 Answers  

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what is the maximum current rating in india for home?

3 Answers  

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last 5 year rrb allahabad junior engg electrial engg question paper

0 Answers   RRB,

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