Answer / naresh

it is completed through therails to ground through the
wheels

Answer / jagadisha.n bmsit

Obviously there should be neutral connection to flow of
current. Positive is connected from overhead line and
neutral connection is from track through wheels..

Answer / sreenadh

actually the top most line is the power line.the second
line is also power line.the connecting wires between the
two lines are called droppers.droppers give power from top
line to the second line.the negative comes from the
trails.at equi distant points they are earthed by iron rods.

Answer / sreenivas koramutla

There are two line called Catenary wire and Contact wire.
Both are power lines. we feed voltage to catenary and Pento
of Engine is in contact with Contact wire. In between lines
there are Dropper wires. This is Phase and Neutral connects
from Track. This is Single phase supply

Answer / roushan.eee

it takes negative from the track.

why secondary of c.t. will kept open ?

4 Answers   L&T,

If you touch at the end welding machine, will you have shock ?

1 Answers  

what can i do line to line fault

4 Answers  

Is current shock due to voltage or current? pls answer

2 Answers   ABB,

why it is so called as xlpe(cross linked poly ethyline) cable?

0 Answers  

What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

0 Answers  

What is the current carring capacity of 0000SWG and 0SWG overhead solid bare copper conductor. If possible please provide reference for various sizes Vs current ratings

1 Answers  

why battery is connected in series?

10 Answers   HP,

How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

dear sir, How i calculate the 2 phase welding transformer power or kva?? kindly tell me....

2 Answers   Gedco,

if there is fire alarm,what is ur activity?

4 Answers  

how power saving takes place through VFD?

9 Answers