11. As per the theory current doesn’t flows in Neutral, but
practically it is
not applicable, explain why?
12. How to take the Vector Group Test in Transformer? What
is the purpose
of doing Vector Group Test?
13. Why the transmission lines are in 11kV, 22kV, 33kv, and
why not 10kV,
20kV, 30kV?
14. Why do we generate 3 Phase AC Supply? It is possible to
generate 4
Phase and 5 Phase explain it?
15. Explain why the Voltage drop will happen in 3 Phase
line?
16. What is the equipment used to control the generator
output?
17. What are the factors to be considered during the
Synchronization?
18. What should be value of Circuit breaker operating time
and tripping
time?
19. Why the CT Secondary is rated as 5A generally?
20. At which time Synchronous generator act as a
Synchronous Condenser?
Answer / ashok pandey
17. At DG synchronization, phase angle, frequency & voltage
level of both DG set must be same.
Is This Answer Correct ? | 4 Yes | 0 No |
ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]
. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV?
In Battery Charger - What is the meaning of End Cell Voltage and Float Voltage.
9 Answers FLSmidth, Focus, PSEB,
How to select the cable and voltage drop in circuit?
what are the different type of transformers available in markets???
6 Answers Atomic Energy Commission,
Why Exciter higher ferquency ?
what is the calculation formula for motor starting torque,running torque, running torque.
what is meant by loss of field in a DC motor? how a universal motor works?
what is divercity factor?
why it is necessary to short and ground of a current transformer secondary side?
In ac which gas will be use?
For having nonavailablity of 10 Amps fuse, a lineman replace the same with 5Amps two strand, Do he correct ?