Extending Motor Life With Optimal Flux
With the development of variable-frequency converter drives during the 1990s, totally enclosed fan-cooled (TEFC) alternating-current (AC) induction motors...
Heat-Resistant Exhaust-Fan Drive Belt Enjoying Long Life for Chicago Eatery
With multiple locations in the Chicago metropolitan area, Portillo's serves up world-famous Chicago-style hot dogs. The restaurants are a mix of remodeled...
C-face energy-efficient gearmotors
Combining Dodge Quantis ILH (inline helical) and RHB (right-angle helical bevel) C-face gearmotors with BaldorReliance Super-E premium-efficient motors,...
Operating Motors in Wet Environments
When electric motors are installed in a wet or damp area, their lives almost always are shortened from what they would be in a dry environment. By heeding...
Motor Drives Enable Ramp Up/Down of City's Critical Lift-Station Pumps
With 450 miles of sanitary-sewer collection lines and 33 lift stations feeding into a central wastewater-treatment plant, the City of Lawrence, Kan.,...
NEW EQUIPMENT AND RESOURCES
Belts HVAC Power V-Belts extend belt life for exhaust-blower drives with higher temperature resistance and less flex fatigue. Optibelt Corp.Circle 48...
Benefits of Adjustable-Frequency Drives
Process variables, including the pressure and flow of gases and liquids, long have been regulated using mechanical clutches, throttles, and adjustable-inlet...
Drive for Simplicity: Trends in AC Drives
Traditionally, the primary use of drives has been in applications such as powering pumps, fans, and conveyors. While they will continue to be used in...
Applying VFDs to Refrigeration Systems
The use of variable-frequency drives (VFDs) in supermarkets to control compressor and fan motors has become a key factor in reducing energy costs, enhancing...
Reducing Utility Costs Through Peak Shaving
Editor's note: The following article is adapted from Peak Shaving A Method to Reduce Utility Costs, published in the proceedings of the 2004 Region 5...
NEW EQUIPMENT
Alternating-current drives Designed for HVAC pump and fan applications, the Altivar 21 variable-frequency alternating-current drive offers up to 40 hp...
NEW EQUIPMENT & RESOURCES
Variable-speed motors UltraTech four-wire, two-way-communicating, electronically commutated variable-speed motors and controls receive, digest, and follow...
Preventing Damage to Motor Bearings
The use of variable-frequency drives (VFDs) to control alternating-current (AC) motors has increased dramatically in recent years. In addition to featuring...
Variable-Speed Drives Critical in Preserving RainForest at Cleveland Metroparks Zoo
Part of the Cleveland Metroparks Zoo complex, The RainForest is a 2-acre, two-level exhibit showcasing more than 10,000 plants and 600 animals from the...
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