Answer / prabhakar

We use DC voltage with DC series motor bcoz it can start
with load

Answer / bipin

it is 1-phase...25kv ac, 50Hz. actually traction substations
are there which recieve 3 phase supply and divide these
phases into sections of about 30-40 kms along the line. each
of these sections are completely electrically isolated from
each other by using dead sections.

Answer / kapil

25 kv single phase ac.converters are installed in engine because we need ac also to supply auxiluries like blowers etc.

if a 2 ohm resistor,2 ohm capacitor and a 2 ohm inductor is connected parallely to 12v source.Then what is the value of current in each branch.Is current flows in each branch at the same time?If not so then provide the proper sequence

1 Answers   Tata Steel Limited,

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why ac ratings are in tons?

2 Answers  

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what is use of starter motor in DG ?

2 Answers  

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what is apparent poewr, reactive power, & active power?

0 Answers  

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What's voltage?

1 Answers   Pakistan Atomic Energy Commission PAEC,

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IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

3 Answers  

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What are the types of relay ?

3 Answers  

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How synchronous motor helps to improve PF? plz explain

1 Answers  

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How you calculate the repturing capacity of a HRC fuse

0 Answers   CPCL, RSCL,

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what is HI POT test

4 Answers   Suzlon,

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

0 Answers  

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why generation of electricity in low value voltage

3 Answers  

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