PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

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Why is reating of t/f in kva but for inverter in kw ?

3 Answers   UPPCL,

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circuit diagram of ht panel

0 Answers  

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What is an ac motor?

0 Answers  

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dear friends, we are use 130 hp load run with 0.98 power factor ( 38KVAR capacitor connected ). if we need improve the the power factor to 1 (unity). how much kvar capacitor to be add. have any formula? please share with me.

3 Answers   Reliance,

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what is effect of unbalaced load -- say R 15A, Y 25A, B 10A

4 Answers   TransWorks,

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where does core based current transformer is used? and what is the value of lux in a work station?

1 Answers   Space Matrix,

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How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

0 Answers   Apollo,

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What is function of inverter? and who it's operate & what are controlling devices are used?

2 Answers   Carrier, Dalkia,

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armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

0 Answers  

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RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

0 Answers  

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what is the role of MPU in DG set

1 Answers   Weltech Engineering,

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