Answer / uditparashar

v/f control means controlling the motor with constant torque by varying the voltage (V) or Frequency (F) as torque is proportional to ratio v/f

how to converate kva to kw ?

4 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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super position theorem is applicable to

1 Answers  

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The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?

3 Answers  

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What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

0 Answers  

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for what purpose the star point is done in ct

0 Answers  

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I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.

0 Answers   BSL,

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why motor rating in kw?

3 Answers  

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State the other types of Air Conditioners?

0 Answers   HSL,

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Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN VOLTage and potential diff

5 Answers  

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