why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer.

12 Answers   ABB, Adani, Central Electricals, Electrical, HCL,

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please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com

0 Answers  

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The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field current. 3. armature circuit resistance. 4. angle of brush shift. Which of the statements given above are correct? (a) 1,2 and 3 (b) 2,3 and 4 (c) 1,3 and 4 (d) 1,2 and 4

1 Answers  

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we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

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can u name the different types of motors used in different types of applications?

6 Answers   ABB, Bhel, SBQ,

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how to design the heater in temperature control unit to heat 50KL of water?

0 Answers   SunMax,

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Why should we use Star-Delta connection in step down power transformers?

7 Answers   L&T,

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Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

0 Answers  

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If our power factor is lagging then who is in profit? I mean consumer or Supplier!

1 Answers   Sail,

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What is a Phase shift meter? Where can I get one?

0 Answers  

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which course is maximum demand in industry and give me the list of best courses for electrical engineers

1 Answers  

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True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)

0 Answers  

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