we hav seen in electric engine of trains only 1 wired slidng
conecctn is there frm ovrhead line,howevr to complete a ckt
in dc postv n negtv two conection has to b there...so where
is tht negative is been connectd or where it is grounded...?

Answer Posted / roushan.eee

it takes negative from the track.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

2440


If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1155


how we will deside the high voltage value

1463


we specify current in case of feeder but in case of distributor voltage, why?

1380


HOW TO CALCULATE HV CABLE SIZING?

2570






Differentiate between ideal and non-ideal voltage sources?

678


What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

1471


DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.

1595


If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

1444


What is Fire Panel ? How it works ?

1595


how we explain parallel paths armature winding?

1460


How earthing of switchgear system to be done.

1458


what is (+) and (-) in generator field detector stand for?

1387


Explain the role of a car driver as one of a feedback mechanism.

744


how can we make cable shedule for controll wiring ? which details must be required for it.?

1647