In constant power region of 3-phase IM torque-speed
characteristics, if frequency increases voltage
A does not alter B decreases
C increases D none of above
- 1 Answers
- 1997 Views
- I also Faced
- E-Mail Answers
Answer Posted / shahid hussain
B decrease
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is meant by tranformer impedance?
Explain about 3 phase motor fault current calculation with examples?
How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?
How to calculate Voltage regulation of 22 KV Over head Line.
what are all types of cross section in AC cables?
how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?
please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com
we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain
why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?
if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please
i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?
List the advantages of star-delta starter with induction motor?
what is the meaning of impedance protected in instrument cooling fan
what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/
What do you mean by power transformer?
