Why does the rotor rotate?

1 Answers   Machino Polymers, OPTCL,

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how does calculate loss correction factor in transformer

1 Answers  

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Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?

0 Answers  

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For Electrical / and Electronic Systems, when we say efficiency is 80%, then what happens to other 20% from the Power consumption.? I.e. what happens to this?

1 Answers  

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how we can improve P.F. by using capacitors ?

22 Answers  

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

0 Answers  

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How to control speed of DC motor with AC power?

7 Answers   vguard,

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differtiate between energy consevation and energy efficiency..

1 Answers   L&T,

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what is method of dc current measurement

5 Answers  

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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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placement paper samples of mspl company

0 Answers   MSPL,

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what is dyn 11

3 Answers  

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