Which type of motor is used in trains, what is the rating of supply used explain working principal?

0 Answers  

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Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV this type of ratio. why cant we use other voltage ratio like 54KV / 99KV et.,

8 Answers   College School Exams Tests, Hino, ITC Infotech, Reliance, UPRVUNL,

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Vaccum circuit breaker

0 Answers  

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what is sevice settings for mccb?How can be it setted?

1 Answers  

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How to select the Cable size for 550 Amps Load without seeing the cable Catalogue?

8 Answers   Nesma,

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IN CABLE TRENCH WHY FILL UP THE SAND. AND WHAT IS THE DIFFERENCE BETWEEN OVER HEAD AND UNDER GROUND LAYING THE CABLES

2 Answers   Cable Wireless,

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I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

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Is it necessary to carry out sheath test after cable jointing? If the value is zero of such instance , is it ok to energize the cable?

1 Answers  

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What is difference between MCC,PMCC,PDB?

2 Answers   Cipla, JSW,

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why dc series motors never start without some load, and what will happen if starting with out load..

1 Answers  

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What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?

0 Answers  

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What will be the resultant out put voltage when two different voltage rating batteries are vconnected in parallel? pls. answer with example if available.

1 Answers  

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