every motors written in name plate IP 55 what is this?

2 Answers  

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what is meant by phase &line voltage, how its differ from each other ?

5 Answers  

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

0 Answers  

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What is I to C?

0 Answers   PowerTech,

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Define motor & pump?

3 Answers  

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what is 33 /11kv transformer bdv

8 Answers   NMDC, TPPL,

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does meager test perform on lightning arrester ? if doesn't then why ?

1 Answers  

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If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

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why commutator are not used in rectification purpose in power electronics?

1 Answers  

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How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

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why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

0 Answers  

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What are the types of bus duct?

1 Answers  

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