Answer / narendra katakkar

No

how you connect the induction motor first in star and then delta in star-delta starter

1 Answers  

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V.c.b and a.c.b difference

4 Answers  

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The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

0 Answers  

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What is a LBB protection and why it is used?

2 Answers   Gridco,

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In 3 phase induction motor 1hp current rating is 1.5 amps constant ? is correct or not ?

4 Answers   TATA,

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why overload relay is not tripped at time of starting of motor allthough staring current is too high?

5 Answers   TATA,

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defination of lines

0 Answers  

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What is corona ? Mention its positve effects .

1 Answers  

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with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....

0 Answers   Divis Laboratories,

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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what happens if dc supply is given to the transformer?

10 Answers  

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What is the ideal power factor?

1 Answers  

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