After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

0 Answers   KSEB, L&T, Siemens,

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Can anybody explain Why starters are not used for motor starting in industries?

9 Answers  

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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 will happen if the oil level in the buchholz realy of a transformer gets down?

3 Answers  

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what is rated current and operating current?

1 Answers  

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Which device of PlC does share load between DG sets when DG are running in perallel?

0 Answers  

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What is the purpose of a process loop? What is the controllers responsibily?

1 Answers  

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why use celling fan wing is two or three ?

2 Answers  

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Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

0 Answers  

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what power factor should we maintain to get maximum benefits our organisation load is 10 MW? is it best to maintain the PF at .96 rather than Unity to save electricity bill?

1 Answers  

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1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.

6 Answers  

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Which device is used for the source of emission of electrons in a crt?

0 Answers  

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