In this video, we will learn to calculate per hour fuel consumption of diesel generator (10kVA to 1000KVA) at various load level i.e. 100%, 75%, 50%, & 40%. An obvious question when looking at buying a diesel generator is, how much fuel do they consume? Generator has a fixed RPM so we can work out how much fuel they will use across various load levels approximately? Actual usage may vary due to a number of factors so specific calculation method of the fuel consumption of diesel genset from capacity 10kVA to 1000kVA as under;
Most generator manufacturers use G/kWh as parameters, which mean how many grams (G) of oil the Genset consumes per kilowatt per hour? & then change unit to liters (L) to know that you are an hour Fuel consumption costs.
Generally, the fuel consumption of diesel genset is calculated according to 0.2-0.26kg/kWh. One liter of diesel is about 0.84-0.86 kg. Then 1KW per hour is 0.2-0.26kg divided by 0.84 = 0.238 liters-0.3 liters, multiplied by kilowatts equals to fuel consumption per hour.
So Genset consumes 0.26 Litres of diesel per kWh produced considering frictional losses & other factors.
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