do we convert single phase line to three phase at minimum cost?

1 Answers  

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DRAW THE DIFFERENCE BETWEEN GROUND AND NEUTRAL IN BOTH SINGLE PHASE AND THREE PHASE?

2 Answers  

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Can the field winding in synchronous machines be placed on stator?What is the limitation of such arrangement?

2 Answers  

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_____hamari_____tumhari____ne dil ki_____utari. _____ne ____ dekha ashe ___ doshti ko lage na hamari.Complete pajal

1 Answers   Microfine Industries,

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where we use the SFU & FSU?

0 Answers   L&T,

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What is hysteresis losses?

2 Answers   GMR,

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What is excitation in case of dc motor?

0 Answers  

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witch pump used in wtp

0 Answers   Dalkia,

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

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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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what is the purpose of using battery in dg sets, please specify in details.

2 Answers   Balco,

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what are all the daily preventive maintainance carried out in transformer?

1 Answers  

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