Answer / shariff

Whether it is step up or step down the action will takes place, without the change in the frequency and its not possible.

Answer / cibai

frequency will remain the same. step up 220 to 11kv is
possible with a series of transfomer.

What is the working principle of VFD

3 Answers   HCL,

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

0 Answers   Kirloskar,

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Why the rotor winding is short circuited of induction motor

1 Answers  

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why humming sound occured in h HT transmission line

3 Answers  

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electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

0 Answers  

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If rotor works in clock wise what happens

0 Answers  

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which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

0 Answers   TATA,

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)

0 Answers  

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Is there any capacitor in 3-phase IM?why,xplain.

2 Answers  

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Explain the experiment on ward leonard method of speed control of a dc shunt motor.

2 Answers  

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we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

3 Answers  

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