Doug Dorr

Doug
Dorr
Articles
IEEE Guide Tackles Low-Voltage SPD Issues
At the Institute of Electrical and Electronic Engineers (IEEE), members of working group 3.6.6 have been busy developing the Guide for the Application
Correcting Voltage Sags with Constant-Voltage Transformers
CVTs can mitigate the effects of voltage sags
Ride-Through Improvements for DC Drives
DC motor drives are used in a variety of commercial and industrial applications, including rolling mills, printing presses, and elevators. When working
Improving Sag Tolerance with Buck-Boost Transformers
Most electronic equipment manufacturers specify nominal nameplate ratings for their products. Typically, these devices and/or systems are designed to
What Customers Think About Power Quality
The 1990s brought about substantial improvements in the knowledge and equipment engineers use to diagnose and resolve power quality and reliability problems.
Safeguard Your Processes by Protecting Key Components
Heeding the advice of a local consultant, plant managers at an automotive glass plant in rural western Kentucky installed uninterruptible power supplies
How a Sag Generator Helped Solve an Elevator Problem
Picture this: You're on a dream vacation in Hawaii with your spouse to celebrate your anniversary. The week has been great, and it's the last day before
Resolving Voltage Problems with AC Induction Motors 1
What consumes more than half of the world's electricity and supports nearly every facet of industrial production? The answer is the AC induction motor.

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