An in-depth look at induction motors with voltage/frequency controlled variable frequency drives, induction motors with vector-controlled VFDs, and electronically commutated motors.
The topic of motors and motor control techniques is wide and varied. Part one of this two-part article will cover the principles of alternating-current (AC) motor operation and control.
Proper building ventilation has been a basic need in modern building performance for decades, yet, somehow, it remains one of the greatest difficulties for sustainable modern building design.