Answer / r.sreemanikandan

VFD used to control the speed by varying the frequency.
when the frequency is reduced the power consumption also
will be reducing. by this way we can the save the power
consumption also

Answer / vijith

we can save the energy by controlling frequency through
cdp& we can protect the motor also

how to build a network which step down 415v to 1v rms

0 Answers  

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Hi friends, i m electrical engineer i want a cdr for migration purpose so anybody have information about this then send me on jayesh_ee88@yahoo.com.please try to me

0 Answers  

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What is pole of the system?

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Grid fault level [KA]?

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Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,

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why induction motor always operate at lagging p.f.?

4 Answers  

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Why motor initial starting current is high?

9 Answers   Pennar,

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how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

0 Answers  

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what is differnce between oil transformer & dry type transformer ???????????

2 Answers  

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what is cogging? how it can be controlled?

1 Answers   HCL,

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how voltage regulator works ?

1 Answers  

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physical identification of HT & LT panel

0 Answers   Schneider,

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