2026-05-08Views：
The calculation method of the specific power of the air compressor is: specific power = input power ÷ displacement, where the unit of input power is kilowatts (kW), and the unit of displacement is cubic meters per minute (m & sup3;/min), the specific power unit of the calculation result is kW/(m³/min). This value represents the power consumed by the air compressor per 1 cubic meter of compressed air. The lower the value, the higher the energy efficiency of the air compressor and the more energy-saving the operation.
Input power it is the actual electric energy consumed by the air compressor during operation, which can be directly measured by the power analyzer or calculated by the following formula:
air displacement it is the volume of compressed air output by the air compressor under specific working conditions (such as standard atmospheric pressure and temperature), which needs to be measured by a flowmeter and corrected to the value under standard working conditions according to the on-site temperature and pressure conditions. For example, if the on-site temperature is higher than the standard working condition, the measured displacement will be too large, and the specific power needs to be calculated after correction to ensure the accuracy of the data.
Air compressor without oil and water lubrication the specific power calculation principle is consistent with other types of air compressors, but it should be noted that:
The meaning of calculating the specific power:
Precautions:
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