How to work star delts method in the case of single phase
motor?
Answer Posted / william lobo
Well today we have DOL direct on line starters for upto 100 hp and more too.
So Star Delta for 1 ph motor does not arise. Question itself is wrong. No practical question.
| Is This Answer Correct ? | 8 Yes | 2 No |
Post New Answer View All Answers
what are the difference between PLC and embedded
Why is the air gap between the pole pieces and the armature kept very small?
A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.
why output is out of phase in case of common emitter?
what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?
What is the types of HT motor testing
please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5
What are the basic elements used for modeling mechanical rotational system?
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
how much UPS neutral erath leakage current.
what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?
plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?
What is effect of over voltage and under voltage on ACB