what is the VA(Volt-amphere)? define with calculation?

0 Answers  

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If i switch on a transformer but with no load connected to the secondary path.Is the transformer will burn?

5 Answers  

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I have 3 1000 kva single phase transformers and I wish to replace them with one three phase transformer. What is he kva rating of the new three phase, is it 1000 kva also or 3000 kva.

5 Answers   Central Moloney,

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please explain how to do 'pole drop test' on generator?

0 Answers  

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Without seeing the nameplate descriptions of a rotating machine,Is it possible to say which one is a motor and which one is a generator? How would you certain this?

3 Answers  

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How good are you in resolving the commercial issues to Employer's advantage?

0 Answers  

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my question is that....few days ago i had installed a three phase motor starter for an electric saw.the motor will run and make the hydraulic pressure which will be goes to pressure cylender by up and down lever.two number of limitswitches are also installed on cylinder for safety of motor.now when the arm of cylinder reaches to the upper or lower limit it will cut the motor's line.and motor will be stop.now wana know that what will i do that motor runs continue after the limitswitch cut it down but it shold not be made any pressure.pls answer me in brief.

3 Answers  

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how to improve power factor correction?

3 Answers  

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What is the difference between diode and a transistor in terms of the direction of current flow?

0 Answers  

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expansion of rccb

2 Answers   Videocon,

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What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?

1 Answers  

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what does mean ct knee voltage and burden 

1 Answers  

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