Robert Pfaff, P.E.

Robert Pfaff is a licensed P.E. and has been working for SmithGroup in the Washington, D.C., office for the past 14 years. He earned a bachelor’s degree in electrical engineering from The Catholic University of America in 1987.  He has more than 25 years of experience in electrical engineering design focusing on health care facilities, commercial buildings, laboratories, government facilities, and museums. Contact him at robert.pfaff@smithgroup.com.

Articles

ARTICLES

Footnote 4

Motor Control Techniques: VFDs, ECMs, and More, Part 1

An in-depth look at induction motors with voltage/frequency controlled variable frequency drives, induction motors with vector-controlled VFDs, and electronically commutated motors.
Kevin ricart
Kevin Ricart, P.E. Patrice Mulhern, P.E. Robert Pfaff, P.E.
May 28, 2020
No Comments

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.  


Read More