On what basis the the size of Lightning arrester for buildings are selected ?

0 Answers   KGD,

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what is tpmo switch

3 Answers  

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how we calculate capacitor bank mvar for 11 kv distribution networ , and i need releation between capacitor bank with voltage, frequency, current, pf

2 Answers  

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DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

0 Answers  

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What is HT? And specify the range of voltage?

5 Answers   HSL,

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define excitaton voltage and excitation current?

2 Answers   Allied Group,

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while running ,synchronous generator is being turned off.what will happen to the current flow??

1 Answers  

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what is the impedance voltage of transformer?

1 Answers   AVI Enterprises, MacLellan,

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WE HAVE A LOAD OF 55KW MOTOR ITS VOLTS 380 3PH AND ITS TAKING 100AMPS (ITS FULL LOAD IS 105AMPS)AND ITS CABLE IS 4CX50SQMM ,NOW ITS GETTING ABNORMAL HEATUP IN CABLE,PLZ TELL WHY ITS HEAT-UP?(CABLE LENGTH IS 15 METERS ONLY)

10 Answers  

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in dc shunt motor if field winding is shorted then

0 Answers  

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what is transformer

63 Answers   ABB, Advance Power Controls, CERC, Electrical, Electrical Supervisor Competency Certificate, ETA, IBM, Jindal,

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In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 Answers  

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