tell me about vfd

8 Answers  

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how to crack cgpsc,which type of knowledge it is required,where i can get systematic study material and some tips?

1 Answers  

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ON WHAT BASIS LOADS ARE CLASSIFIED AS RESISTIVE,INDUCTIVE AND CAPACITIVE LOADS?.GIVE PRACTICAL EXAMPLES FOR EACH

6 Answers  

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Can an inverter be used as a converter? How?

0 Answers  

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What are the two segments of nyquist contour.

0 Answers  

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what are safety measures in /control in diesal engine/ explain them?

0 Answers  

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Transformer's core is made up of which material and why so?

10 Answers   ABB, NTPC,

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what is the formula of knowing the clabe size on any load?

1 Answers   JSW, Scan Steel,

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want happens when a dc is given to a commutator

2 Answers  

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what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

0 Answers  

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When we give supply to a transformer 11 kv and we get 415v from it, so when we give supply to same transformer 415v on ht side what we get? and When we gives supply to any transformer to L.T. side 415v or 220v What supply is on H.T. side?

2 Answers   Ashoka Electricals,

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Single line diagram for dbb (double bus bar)system.

0 Answers   KSEB, L&T, Siemens,

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