Which fault is caused by lightening and thuderstorm a. Line to line fault b. Single line to ground fault c. Double line to ground fault

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ple send to the how to improve the efficiency & economical to the thermal power plant

1 Answers  

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what is the difference between NC & CNC machine.what is the difference between equipment & machine tool

2 Answers  

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which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

0 Answers   Dalkia,

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What will happen if we do not provide earthing to the newtral of a power system ?

2 Answers   Jindal, NPCIL,

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how to find the resistance and gap volatage of the diode??

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What is annunciator ?

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What is notching in dc machine?

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which power plant has high load factor?

12 Answers   APTransco,

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

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What is a single phase autotransformer?

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When are the directional relays used?

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