Calculate diesel generator fuel consumption

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in this post. you will learn how to calculate generator fuel consumption.

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also, you will find a lot of information about the different methods of calculating the consumed fuel for different types of generators.

Calculating the fuel consumption of a diesel generator?

in general, you can calculate the fuel consumption of diesel generators or engines. in two different ways:

1- Calculate generator fuel consumption by operating hours

In this method, we can calculate generator fuel consumption per hour.

By filling the tank with a specific amount of diesel and running the generator for a certain period.

Then calculate the remaining value in the tank and then divide the amount of fuel consumed by the number of hours. The result is fuel consumption per hour.

generator fuel consumption Table

2- Calculating generator fuel consumption per kilowatt of output power

And through this method, we can calculate the generator fuel consumption required to produce a specific power in kilowatts.

This method is not accurate, but it is effective in most cases. We calculate the capacity to be consumed in general.

Then we divide this capacity by the number of operational hours. The result of this division is again divided by (3).

Example: a 300Kw generator consumes 1200Kwh in 3 hours.

Consumption per hour: 1200/3 = 400 kilowatts.

The number of liters consumed = 400 / 3 = 133.33 liters.

How do you calculate the energy consumed?

The manufacturer will determine the mechanical strength of the engine power of the generator in the case of giving it the maximum possible power. if you keep the voltage within the appropriate limits.

Taking into account the electrical efficiency of the generator. the generator will produce the consumed power in this case.

also, you can find this information in the producer manual.

How do I calculate the fuel consumption per liter per hour of the car?

Fill up your fuel tank.
Set the trip meter to zero.
Make a note of your vehicle’s mileage the next time you fill-up.
Check the tank again and record how many liters have been filled.
Calculate the number of liters needed for fuel per liter (in miles).

How much fuel does a generator generally consume?

You can calculate the diesel generator fuel consumption calculation by using the following equations.

But you must understand each of the following data to be able to reach the correct value of consumption.

diesel generator fuel consumption

Energy value produced by the generator: E = P * h * d (kWh).

Fuel consumption value in liters: C = E * Ckwh.

Data

E = electrical energy produced by the diesel generator in kilowatt-hours.
P = Electric power produced by diesel engine generator in kilowatts.
h = number of hours of operation of the generator per day
d = Number of days the generator is running
kwh = Fuel consumption per kWh (usual value between 0.3 and 0.6 L/kWh)
C = fuel consumption in liters.

Excel file for calculating fuel consumption for a different set of generators

This Excel file will help you to calculate the power and electricity production according to the load, fuel consumption, and kilowatt-hour cost of diesel generators. also the gas generator.

This is done by determining the type of generator, its actual capacity, and the number of operating hours during the day.

Excel sheet to calculate diesel consumption

Is consumption affected by the geographical area and temperature difference?

Of course, the geographical area affects the calculation of diesel generator consumption. Where temperatures play a major role in increasing energy consumption and the types of electrical faults that affect the generator. which leads to an increase in consumption as well.

And lower temperatures lead to the consumption of more fuel to overcome the low temperature. It also works to help bring the generator temperature to the normal temperature, which is from 70 to 85 degrees Celsius. This depends on the type of generator and its capacity

Summary

The methods for calculating the fuel consumption of the diesel generator vary according to the region and the different operating conditions.

you must take this consideration into account in calculating the consumed fuel. but Through this article. you can easily calculate the generator fuel consumption.