Equate it to your energy bill: KWH. Its a multiplication of power and time. Means you are running 1 full kw during 1 hour.
So 1 kw during half an hour is 1/2kwh. 10 kwh during 6 minutes (1/10 of an hour) is also 1kwh.
200kWh its a measure of energy, but it is necessary to know the power and time to really understand it.
1 100W lamp lit up during an entire year is 876kwh. A 20W lamp is 172kwh over a year.
But a 10kW engine will spend that energy during 10 hours. So you really need to know what consumed that energy for how long to understand what you’re talking about.
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