Why 50hz and 60hz frequencies are used by the world, why they are not taking 55hz?

3 Answers  

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define IDMT relay?

15 Answers   APGenco, Bhel, L&T, Shriram Finance,

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how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

2 Answers  

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What quedtion to ask a electrical maintenance technician?

5 Answers   Bhel, Royal Furnishers,

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Require Generator Capcity ( KVA ) for 3 Phase Motor having 4.7Kw with starting current of 16amps?

1 Answers  

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Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???

0 Answers  

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Why shunt Generator is not recommended to start at ON LOAD condition???

3 Answers  

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What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

4 Answers  

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If u take a kWh reading in 11 kV HT and 440 LV side at same time in yesterday today , then why LT consumed units 3-4℅ high as compared to HT units

1 Answers   Brigade,

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Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 Answers  

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what is maximum or Threshold value of current 7 voltage that a common man can withstand

1 Answers  

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there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?

2 Answers  

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