1. Determine the generator's fuel consumption rate:
- Refer to the generator's specifications or manufacturer's data to find the fuel consumption rate, usually measured in liters per hour (L/hr).
- For example, let's assume the 200kVA generator has a fuel consumption rate of 25 L/hr at full load.
2. Calculate the generator's fuel efficiency:
- Most generators operate at around 30-40% efficiency. For this calculation, we'll use an efficiency of 35%.
3. Determine the generator's load factor:
- The load factor represents the percentage of the generator's rated capacity that is being utilized. If the generator is running at 50% of its rated capacity, the load factor is 0.5.
- For example, if the 200kVA generator is supplying power to a load of 100kVA, the load factor is 100/200 = 0.5.
4. Calculate the actual fuel consumption:
- Multiply the generator's fuel consumption rate by the load factor to determine the actual fuel consumption.
- Actual fuel consumption = Fuel consumption rate × Load factor
- In our example, the actual fuel consumption is 25 L/hr × 0.5 = 12.5 L/hr.
5. Adjust for varying loads:
- The actual fuel consumption may vary depending on the load. As the load increases, the fuel consumption will increase proportionally.
- For example, if the load increases to 75% of the generator's rated capacity (load factor = 0.75), the actual fuel consumption would be 25 L/hr × 0.75 = 18.75 L/hr.
Remember, these calculations provide an approximate estimation of fuel consumption based on average efficiency and load factor values. Actual fuel consumption may differ based on specific generator models, fuel quality, and operating conditions. It's always recommended to refer to the manufacturer's specifications and data for accurate fuel consumption information for a particular generator.
