How to judge the power consumption of industrial fans?

Identify the Fan's Power Rating: The power rating of an industrial fan is usually indicated on its nameplate or specification sheet. Look for information such as voltage (V), current (A), and power (W) ratings. Note down these values for reference.

Calculate Power Consumption: The power consumption of an industrial fan can be calculated using the formula: Power (W) = Voltage (V) × Current (A). Multiply the voltage rating by the current rating to determine the power consumption in watts (W).

Consider Efficiency: The power consumption calculated above represents the electrical power input to the fan. However, it's important to note that not all of this power is converted into mechanical work (moving air). Industrial fans have varying levels of efficiency. To estimate the actual power used for moving air, you may need to refer to the fan's efficiency rating provided by the manufacturer. Multiply the power consumption by the efficiency factor (expressed as a decimal) to estimate the power consumed for actual air movement.

Monitoring Equipment: For a more accurate measurement of power consumption, you can use energy monitoring equipment such as a wattmeter or an energy meter. These devices can provide real-time measurements of power consumption, allowing you to assess the actual power usage of your industrial fan.