Answer Posted / sudhakar g
DG having the losses like Core and iron thats why it is rated as VA....other factor is the power factor we cannot estimate it is inductive or capacitive thats why it is unity powerfactor....
| Is This Answer Correct ? | 7 Yes | 2 No |
Post New Answer View All Answers
Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?
when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?
Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.
What is the difference between Encoder and Resolver?
Is it possible to measure the voltage of a battery from a single terminal?
i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors
what is the common earth
Differentiate between real and apparent power?
What is the working mechanism of OLTC in Power Transformers????
please send me RRB electrical engineer previous year questions for Sr. Section Engineer
What are the two basic types of transformers?
How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.
what is the use of the puls transformer in UPS & how it works???????????
what is rating boiler
how to calculate transformer load?