Patrice Mulhern, P.E.

Articles by Patrice Mulhern, P.E.

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.

Patrice Mulhern, P.E.

Robert Pfaff, P.E.

Kevin Ricart, P.E.

May 28, 2020

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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.

During this webinar, we will discuss what acidic condensate is, how it’s formed, and the damage it can cause if not properly treated—while hitting on the latest regulations that are driving the adoption of condensing technology.

On Demand Use the power of AI to your advantage to book more jobs and gain more operational efficiencies during busy season this year! See how an AI Employee can help you save time by qualifying every lead for you, automatically responding to incoming leads, and working overtime so you don’t have to.

Articles by Patrice Mulhern, P.E.

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

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