When calculating power draw for a motor, what does Tech B suggest should be included for accuracy?

When calculating the power draw for a motor, including the power factor is crucial for achieving accuracy. The power factor represents the efficiency with which electrical power is converted into useful work output. It accounts for the phase difference between voltage and current in AC systems, which affects the actual power consumed by the motor.

In systems where inductive loads are present, such as motors, the power factor can be less than one. This indicates that not all of the electrical power supplied is being used effectively; some power is 'wasted' in the form of reactive power. By incorporating the power factor into calculations, you can more accurately determine the real power (in watts) being used by the motor.

This understanding is essential in designing electrical systems and ensuring they are sized appropriately for the expected loads. Without considering the power factor, calculations could lead to an underestimation or overestimation of power requirements, potentially impacting system performance and efficiency.