why in some trains in India Electric equipment such as Fans , tube light not work until locomotive or engine is attached to the train ??

Answer Posted / niloy ghosh

Because supply voltage is 110V DC which is supplied from locomotive main power supply.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to know th details about an electrical Drawing ? Please mention the easy method.

2005


How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1325


why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

2074


How to calculate per unit impedance of transformer?

1574


Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

1748






How to check the cable fault / hv test of transformer cable.

1406


What is the effect of pi controller on the system performance?

620


Is there any question in the name of Static Switch in UPS??

1579


what is the use of piston rings in the engine used for a generator...........

1699


how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

1748


What are the various types of rotor used in the alternators?

625


What is the complete procedure of erection of electrical panel in industry

1385


How to maintain ac plant?

1532


mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1486


How to minimize the eddy current losses?

641