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 / naresh
it is completed through therails to ground through the
wheels
| Is This Answer Correct ? | 20 Yes | 0 No |
Post New Answer View All Answers
how could we know the size of cable by physical view?
What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?
How do we find the rating of a transformer, if it got burnt badly.
I want single line diagram for AMF & DG syncronizing panel
How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?
what material is the electrical housing wire made of? is there any difference for the telephone lines?
How many points does a Circuit can have?
what are factors to be consider in electrical installation like load factor,diversity factor .....
While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x
If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
what is the maximim current drawn by 1 phase and three phase welding machine
What is the difference between Generator Differential Relay and Transformer Differential Relay?
A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is
orifice sizing how done, checking & selection
what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?