Answer / austin kpoto

like first define the subject matter to know the importance
and unsfulness for power generations. Alternator is a
dynamo that generates an alternating current ac. than lets
look at components of the alternator that included, poles
welding wire, exciter, rotor, AVR, armature,diodes, safety
breakers.with all these parts mention above to have the
alternator to consider safety measure is to keep it in a
very dry save in door storage location to avoid water,
moisture and other particles from entering.

Why  we are always  only used 11 kv.  , 22 kv ,33kv      in transmission line? Why not use 25,  55 ,65 kv ?

3 Answers   Khidmah LLC, Precision Camshafts Limited,

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If a generator of generating station produces 100MW rated output then what will be the rating of the step-up transformer connected to it?

5 Answers  

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how to understand the controling circuits example star- delta-starter controling daigram please let me know

3 Answers   GMR,

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how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

2 Answers  

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how "rabbit ACSR" conductors are more efficient than "weasel ACSR" conductors

1 Answers   AITM,

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WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???

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Does the hysteresis loss is due to retentivity property of the material? or it is due to reluctance property?

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bit confused - am i correct in thinking that to determine line to line voltage in a star config 110v 3 phase 4 wire distribution system i would use a voltmeter? I have a circuit configured as an unbalanced load, consisting of three incandescent lamps (1x40w, 1x60w, 1x100w - all 110v rated)connected in a star configuration to a 110v 3 phase 4 wire distribution system. I want to find out what types of meters i would use to obtain: a) each line to line voltage b) the line to neutral voltage across each load c) current flowing in each line and load d) current flowing in the neutral conductor e) power supplied to the loads im assuming i would be using ammeters in series along each line and voltmeters in parallel across each line to neutral? Also how could i predict these meter readings before taking them and with which formulae? Any help would be greatly appreciated A.

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'documenˁ

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What happens to voltage when current through the inductor is constant?

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What would be the size of wire used for 2 Ton of window A.C?

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Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

1 Answers  

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