in traction which type of supply are used
Answer Posted / amit
to overcome losses dc is transmitted but in electric locomotive it is converted into ac and feed to induction motor which is controlled by VVVF and EMF injection method
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?
how does directional relay work incase of ac ?
According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?
we specify current in case of feeder but in case of distributor voltage, why?
As i want some model question paper in basic computer science and history please send me immediately sir
I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.
What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?
what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
two phases with neutral supply can be taken in 3C X 10 sq.mm cable .
How wire size can define in electrical wiring? What is the ratio?
What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance
what is the current setting for different relay protection for transformer .
thyristor controlled APFC panel design parameter?
redundant connection in contactor?
which stabilizer is better ? AVR, Servo Stabilizer, Static stabilizer etc & why explain it