Keep Up to Speed with Motor Terms
Jan 1, 2000, By Ed Cowern, P.E.
Avoid mistakes with selection/maintenance by learning the language of motors....
Paralleling System Keeps Power Primed
Jan 1, 2000, Edited by Ellen Parson, Managing Editor
New gensets enable adhesives manufacturer to ensure reliable power, control peak demand, and save money through utility rebate program....
Flywheel technology improves power quality at Ohio power company
Nov 1, 1999, By EC&M Staff
When American Electric Power (AEP), Columbus, Ohio, designed its new energy delivery headquarters, power quality was at the top of its list of concerns....
The Power of Design/Build: Teamwork Fuels Success.
Oct 1, 1999, David Mozur, P.E.
Although there is a variety of design and construction project delivery methods for owners to choose from, design/build continues to grow in popularity....
Don’t Be Left Short by Current Transformers
Oct 1, 1999, By C. Sankaran, P.E.
Don’t get fooled by current transformer ratings and applications....
Design E Motor: You May Have Problems
Sep 1, 1999, By John DeDad, Editor-in-Chief
You must compare torque characteristics and current values to ensure the Design E can do the job without requiring a higher-horsepower rating or a costly motor control upgrade....
Wound-Rotor Motors — High Torque and Adjustable Speed
Sep 1, 1999, By Robert J. Lawrie, Senior Editorial Consultant
Wound-rotor motors deliver speed control of heavy and high-torque loads....
Ten Tips for Proper Motor Selection
Sep 1, 1999, By Mark Lamendola, Technical Editor
You know how to match your motor to your supply voltage. What you may not know are the many other criteria for selecting a motor that will perform well over a long life....
Sealed Fittings: Why Are They Necessary?
Sep 1, 1999, By Charlie Wade, Appleton Electric Co.
With lives and property at stake in a hazardous location, it's important you use only the highest quality sealing fittings from reputable manufacturers. A classified area is not the place to cut corners....
Protective Coordination
Aug 1, 1999, By Jerry Borland, Technical Editor
A facility with the correct protective coordination scheme can save you money in reducing the effect of outages....
Choosing a Motor for Efficient Operation
Jul 1, 1999, By Robert J. Lawrie, Consulting Editor
To get the most out of your motor, here's a review of different types of NEMA design motors as well as special motors and drives for various torque loads....
Hazardous Locations: Avoiding The Pitfalls
Jul 1, 1999, By Fred Hartwell, Senior Editor, and Joseph Cannatelli, P.E.
Here are the details you need to know to install a Code-compliant grounding system to serve hazardous (classified) locations....
Is Busway The Best Way?
Jun 1, 1999, By Robert W. Morgan, Siemens Energy & Automation Co.
Busway, which is a grounded metal enclosure containing factory-mounted bare or insulated conductors, can be an effective means of distributing power....
The New IEEE Yellow Book
May 1, 1999, By Jerry Borland, P.E., Technical Editor
When you're dealing with industrial and commercial power systems, it's often necessary to pool resources of operational, maintenance, and safety standards. To help fulfill this need, IEEE recently introduced its new Yellow Book....
Reconditioned Breakers Keep Radio Telescope Up and Running
May 1, 1999, Edited by Ellen Parson, Managing Editor
Since Allied Signal Corp.'s powerful radio telescope facility at Fort Irwin, Calif. is an indispensable satellite communications tool for such high-tech...
