why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

5 Answers   BSBK, IOCL, NTPC,

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

0 Answers  

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difference between dol and rdol startors?

2 Answers   Vijai Electricals,

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what type of protection used below 132KV feeders

11 Answers   APTransco, Telecommunications, wbsedcl,

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Explain few advantages of electric traction system?

0 Answers  

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What is the min.& max distance between two earth spikes is required for measuring earth resistance of an earth pit? Is the manufacturer of Earth tester decides this? Pls explain.

3 Answers   ABB, HAL,

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what is the differenc between A.C. and D.C, which is more dangerious?

4 Answers  

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why do we carry out winding resistance test?

0 Answers   MahaGenco, MAHINDRA,

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Bus-bar is made of which material & name of mostly used material in bas-bar design ?

7 Answers  

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2. Modify your design in question 1.a so that the circuit works according to the following function table X Y F 0 0 Clear 0 1 No Change 1 0 Parallel Loading 1 1 Count 3. Design a circuit that detects the pattern 010 in a serial input X considering: 3.a Overlapping 3.b No overlapping

0 Answers  

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what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

0 Answers  

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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