why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?

1 Answers   MAHINDRA,

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some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 Answers  

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What is an Automatic Voltage Regultor & what is its use? What are the general componets we use to design an Automatic Voltage Regulator..What are the factors to be considered for its design?

3 Answers  

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why we decide alternating wave form in ac system and not in dc system

2 Answers   GMR,

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why neutral is required in electrical system

3 Answers   Bhel,

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where does 22kv line starts

0 Answers   Eskom,

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how i meggar value of 11kv alternator winding.and with meggar.

1 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers  

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In short transmission line,why does the receiving end voltage is less than sending end voltage?

4 Answers  

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

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why dc power can not be used in transformer?

33 Answers   GE, Sail,

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12.5 KVAR capacitor 440V gas filled, Its used for windmill purpose, How can i know about microfarad value for this capacitor

2 Answers  

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