I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN

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in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

1 Answers   DLF, Tata Steel Limited,

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If in a 3 phase supply if the load current is 200A what value of current the each phase R,Y & B will carry?

5 Answers  

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what is back trip and re-trip in protection schemes? why these two? define me the exact function of these two?

1 Answers   Siemens,

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what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

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what is reactive power?, why its measured in VA ? is it transient behavior of system?

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SUTIABLE FOR ohm's law super conductor

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Please explain open transition and closed transistion system in Star delta Starter?and also the state difference of both?

4 Answers  

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why wave traps are placed only at y and r phase?

3 Answers  

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Which one is easy to control AC or DC Machine?

2 Answers   BARC,

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why we use 110vac in overhead crains? why not 220v, 24v

3 Answers   SOFT,

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Installation method of self treated earth electrode.

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