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Home » Topics » Motors & Drives

Motors & Drives
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ARTICLES

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Motors For Use With VFDs

January 09, 2012
Steven G. Liescheidt, P.E., CSI-CCS, CCPR
0 Comments
The questions can pile up quickly when it’s time to specify a motor to pair with a variable drive. The information available sometimes leaves one wondering just as much about the information that is unavailable. Will a decision hold up not only in the actual application but also possibly in court? Wade into compatibility, spec terms, partial loads, and more as we try to get this motor running.
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CALCULATING LIFE-CYCLE COST

Calculating Life-Cycle Cost

Detailed calculations can unearth hidden savings.
September 06, 2011
Paul Avery
0 Comments
Whether at work or in our personal lives, we all try to be smart shoppers. We’ll go that extra mile to save a few percent on upfront purchase costs but every so often miss the big picture by not taking total cost of ownership (TCO) into account.
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Chicago Board of Trade Building
Case In Point

Financial exchange trades up to modular fan system

September 06, 2011
0 Comments
Located in this city’s famous Loop commercial center, the 600-foot-tall Chicago Board of Trade Building (CBOT) houses the world’s oldest futures and options exchange. Until recently, the building also housed a pair of aging built-up systems that were beginning to worry management.
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Building Automation: Part 1: Proper Selection Of VFDS And BAS

August 01, 2011
Paul Ehrlich, P.E. and Ira Goldschmidt P.E.
0 Comments
Let drives steer you toward better performance, with these caveats.
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Case In Point

Energy savings give bank a higher rate of return

May 01, 2011
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An energy analysis paid for itself at this Illinois bank by identifying energy savings opportunities. When Jason Vogelbaugh, director of Energy Solutions at Alpha Controls & Services, (Schneider Electric’s Rockford,
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Welcome to Boston!

March 01, 2011
Peter Fairbanks
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Smaller in size but big on style and service, this Boston hotel looked to compete with bigger brands by cutting costs behind the scenes. A chiller overhaul led the list of improvements, which included lighting and controls retrofits, and allowing rooms to recirculate air when unoccupied.
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Best Bets On The Floor

January 01, 2011
COMPILED BY ES' STAFF
0 Comments
When you stroll the AHR Expo floor this year, don’t leave things to chance. Nobody likes homework, but a little advance scouting out products of interest can save precious time in Las Vegas. We’ll wager something useful will catch your eye in our annual “show article.”
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10/18/11 2:00 PM EDT

Econet - Where Renewable and Recoverable Energy Unite

Engineered SystemsON-DEMAND: We will be discussing a new, innovative system, which is more reliable and efficient than current AHU systems. Heating, cooling and heat recovery are integrated into a common circuit. The result is a shorter and more compact ventilation unit, with less pressure loss.

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