here's the thing.Imagine that I have a generator that uses diesel as the fuel. then consider following two cases.Case 1 - using one 1kW bulb for one hourCase 2 - using ten 100W bulbs for one hourI know both cases consume a same amount of power that is 1kWH.but I THINK the demand (which is measured in kVA or just kW) is higher in the second case. (is it??)so my question is that, does the generator burn a same amount of fuel at both the cases regardless of higher demand in second case?? and I'd much obliged if you can say how??
If that is a 1 kw incandescent bulb, the generator may shut it's self off when you try to turn on the bulb, but keep running if you turn on the 100 watt bulbs one at a time. That is because the lamps draw about ten times as much current the first millisecond. Fuel consumption is the same, with in the tolerance limits of the bulbs, and other minor errors.
As such more power demands more fuel to be burnt , but in case of Power generator ( DG set ) , in both cases peak demand in both cases you cited of 1kw would continue to generate same units of power of 1 kwhr on peak ( more power demand ) so it would draw same amount of fuel to be burnt.
Assuming the wattage rating of all bulbs is accurate, power is exactly the same. To save fuel you should buy powerful LED lamps which use only a fraction of the power of a filament lamp. A 12 watt LED will produce as much light as a 100 watt filament bulb, so for 120 watts of energy you get the same light as from 1,000 watts of filament bulbs.
Not more power demand, same same. 100010*100. However you measure it.
Same power, same usage (with very slight increased wiring losses with 10 bulbs) 1 KWH is 1 KWH no matter how it is used.
