Answer Posted / p.k.ghosh
We know that for an A/c circuit Kw=Kva*P.f & the load power
factor is unknown to the manufacturer.So the rating of the
alternator is mention by Kva. Now for D.c circuit p.f=1 ,
Hence generator(D.C) is rated as Kv*A*1=Kw.
| Is This Answer Correct ? | 16 Yes | 2 No |
Post New Answer View All Answers
In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because
When MICC cables used ?
Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????
state the disadvantages of carbon filament???
State norton’s theorem?
- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it
by what factor the starting current is used when comparing star and delta connection for motor starting?
in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know
i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?
how to carried out DAR test in 11 KV Alternator ?
why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?
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.
What are two contours of nichols chart?
How does "OUT OF STEP" relay ,for Synchronous motor protection, work?
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?
