What are chief characteristics of state-space method and its techniques ?

0 Answers   Limton,

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i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

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In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because

0 Answers   Caterpillar,

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The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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why are u join ntpc

0 Answers   NTPC,

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When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<

0 Answers   Lupin,

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how many testing use in power transformer?tell equipment names?

2 Answers   ABB, Electrical,

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Where earth point should provided in Ships or Submirines.

2 Answers   SSC,

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What is the difference between cylindrical-type and sandwich-type winding?

0 Answers  

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explain why reduced voltage starters are required for large tree phase inudction motor

2 Answers  

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what is suitable alternative for an igbt?

4 Answers  

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whu does the power factor of diesel generator always be 0.8. please explain

5 Answers   Dalkia,

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