Difference between ups

32 Answers   Emerson, Tata Power,

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advantages & Disadvantages of Solar power system?

2 Answers  

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

0 Answers  

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IN A HT CABLES i.e. 1.9/3/3 kv, what is the meaning of 1.9 and 3.3.

1 Answers  

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hw to find transformer is in normal position? whether its in charged condition or not? except humming sound?

9 Answers   ABB,

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What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

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how to calculate the ngr capacity(nutral grounding resistor)

2 Answers   Divis Laboratories,

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what is protections used for 6.6kv ht motor

2 Answers   OEG,

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what is the differance between MC61C and MC61A relay of L &T make.

1 Answers   BARC,

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how flow current in 220 kv line to line

0 Answers   NLC,

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How can determine cable size with respect to cable length and area in mm2

1 Answers  

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what is the principle of motor

6 Answers  

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