Enter the compressor power usage (watts) and the time of usage (min) into the calculator to determine the Compressor Energy. 

Compressor Energy Formula

The following equation is used to calculate the Compressor Energy. 

Ec = CP * T * 60

Variables:

  • Where Ec is the Compressor Energy (Joules)
  • CP is the compressor power usage (watts) 
  • T is the time of usage (min) 

To calculate the compressor energy, multiply the compressor power by the usage time in minutes, then multiply by 60.

How to Calculate Compressor Energy?

The following two example problems outline the steps and information needed in order to calculate the Compressor Energy.

Example Problem #1:

  1. First, determine the compressor power usage (watts). In this example, the compressor power usage (watts) is measured to be 58.
  2. Next, determine the time of usage (min). For this problem, the time of usage (min) is calculated to be 49.
  3. Finally, calculate the Compressor Energy using the formula above: 

Ec = CP * T * 60 = (Joules)

Inserting the values from above and solving the equation with the imputed values gives: 

Ec = 58 * 49 * 60 = 170,520 J


FAQ

What factors can affect the energy consumption of a compressor?

Several factors can influence the energy consumption of a compressor, including the efficiency of the compressor, the operating conditions (such as temperature and humidity), the condition of maintenance (e.g., clean filters, proper lubrication), and the load demand on the compressor. Regular maintenance and operating the compressor under optimal conditions can help reduce energy consumption.

How can I reduce the energy consumption of my compressor?

To reduce the energy consumption of a compressor, consider implementing regular maintenance schedules, using energy-efficient compressors, optimizing the operating conditions, reducing air leaks in the system, and using a variable speed drive (VSD) to adjust the compressor’s operation to the actual demand. Additionally, proper insulation of the compressed air system can minimize thermal losses.

Is it more energy-efficient to run a compressor continuously or in intervals?

The energy efficiency of running a compressor continuously versus in intervals depends on the specific application and the compressor’s load profile. For applications with a constant high demand for compressed air, running the compressor continuously might be more efficient. However, for operations with fluctuating demand, using a compressor with a variable speed drive (VSD) to adjust the output to the actual demand or operating the compressor in intervals could be more energy-efficient and cost-effective.