Beginning with whether or not a drive is even needed, the article moves on to help you clear hurdles involved with motor compatibility, existing starters, drive reliability, controls integration, and more.
In an effort to meet the need for optimum efficiency and energy savings across all building loads, Armstrong Fluid Technology says that its Design Envelope pumps are now also available with single-phase motors. Ideal for light commercial, residential, and industrial applications using single phase power, the company claims the new pumps allow designers, contractors, project managers, and building owners to choose the best pumping solution for their specific needs.
One of the worst things you can do is note the capacity and replace the chiller. Have the building loads and usage changed? What about motors and cooling towers? Consider these and your part-load realities to create real long-term improvements.
Baldor Electric Co. introduced a new line of energy efficient electric motors. The Large AC – GPM induction motor is available up to 1,500 hp. Large AC – GPM motors are available in stock ratings of 250 – 1,000 hp, 2300/4000 Volt, totally enclosed fan cooled (TEFC), foot mounted designs.
Baldor Electric Co. introduced a new line of electric motors – Super-E motors with Baldor Shaft Grounding Brush. Stock ratings available include 1 through 50 hp in Totally Enclosed Fan Cooled (TEFC) or Open Drip Proof (ODP) Foot Mounted designs along with .5 through 5 hp in TEFC, C-Face Foot Mounted designs. The new Super-E Motor with Baldor Shaft Grounding Brush is designed with a carbon brush mounted internally to divert shaft currents away from motor bearings, thus increasing the life of the bearings.