why we +ve load distribution in 24v and -ve load distribution in 48volt in the telecom sector.?

2 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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How to calculate the efficiency of Turbo Generator(Alternator) in general....?

0 Answers   Thermax,

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I need the proper answer on :- What is the Earthing Value as per the standard for Raw power and UPS Pit and in panel /DB N-E value ???

2 Answers  

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WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

0 Answers   Bhel,

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In a star to star transformer can we use a common neutral for both star connected primary and secondary

1 Answers  

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During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

0 Answers  

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Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

0 Answers   TATA,

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What should be the height of basement according to NBCC code?

0 Answers  

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a 11 kv line is grounded and a 110 kv line is grounded. which line have the greater current flow?

4 Answers  

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how one can design armature winding bothh front and back connection

1 Answers  

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DIFFERNCE BETWEEN DCS AND PLC? HOW IT WORKS?

0 Answers   Essar,

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