Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / sak
given to the answer above, i would like to add few things,
to start and to run the motor at different speeds we require VFD, coz variable speed can be achieved easily by changing the frequency, as change in voltage is complicated.
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
Why does the radius of armature is less than the radius of pole shoe?
Do u know any one? how to find out in motor rated amps? formula?
Why we use duplex coil and hook switch in telephone system?
what is die electric strnth of transformer ?
We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.
What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP
why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?
What are the types of the glands and difference between single and double compression type of cable Glands.
What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
Why can't we parallel the secondary circuits of two voltage transformers?
How to calculate the size of earth cable to earth the neutral of UPS ?
Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar
what is the difference between oil surge relay and buchholz relay.
What does the a,b,c of 95a,95b,95c relays denotes?
