When Maintaining Motors, Proactive Strategies Are Required. Whether the subject is motors, a maintenance department or an entire organization, typical maintenance methods are categorized as...
The global economic downturn has resulted in an unprecedented attempt by world governments to help stimulate their individual economies, with the hope that these combined efforts will have a...
The global economic downturn has resulted in an unprecedented attempt by world governments to help stimulate their individual economies, with the hope that these combined efforts will have a...
Motors, Drives Improve High-Rise Condo Efficiency
Significant energy and money savings are realized when using variable speed motors controlled with drives.The Villa Magna, a 92-unit luxury condominium in Highland Beach, Fla., sits between the...
Green Motors Save GreenbacksPrepare for the new motor manufacturing changes with the Energy Independence and Security Act of 2007.The U.S. has not enacted a wide-reaching, industrial energy efficiency...
Current state and growth opportunities The low voltage motors market is highly consolidated, with the top five participants accounting for more than 75 percent of the market revenues as of 2009. Low...
Operation and Maintenance of Vertical Motors
 Construction features are key to vertical motor application and maintenance.The definite-purpose application of vertical motors dictates a number of construction features that set them apart...
Optimization Solutions
Improvements in performance and energy reduction can be achieved with smart drives and system optimization.Intelligent pumping is simply defined by ARC Advisory Group as the combination of a pump and...
Pumps & Systems, June 2007Most of the electric motor information we use on a daily basis is pretty straightforward. Voltage, amps, efficiency, and service factor are all well understood terms in...
Pumps & Systems, July 2007Last month we took a close look at the flow of voltage and current in purely resistive and inductive circuits. We showed how inductive reactance can inhibit the flow of...
Predictable Pump Motor Maintenance at a Cranberry Bog
Due to the delicate nature of the cranberry, pump failure is not an option.When a pump or motor fails at Sea Wind Cranberry Farm in Langlois, Ore., farm manager Knute Andersson's business is at stake....
InnovationIntroduced February 8, 2008, the RPMAC PM Direct Drive Cooling Tower Motor and VS1CTD Drive for wet cooling towers replaces an existing motor, jack shaft and gearbox with a more efficient...
Super E MotorIntroduced in June 2010, Super-E Motors with AEGIS Shaft Grounding Ring are used in commercial and industrial applications to drive pumps provides a path to ground for circulating...
Proper Alignment of Large Motors & Pumps
 A large utility company confronts alignment of a 5,000-horsepower motor.Installation and setup of a pump and motor can be easy for small systems. Both can be lifted with relatively small...
Pumps & Systems, June 2007In many pump installations, problems such as jams and suction loss can lead to serious damage to the motor or pump long before the thermal overloads trip. These problems...
With highly reliable electrical systems, protective relays may be called upon to operate very infrequently. However, the effects of faults and abnormal conditions can be severe and protective relay...
Pumps & Systems, October 2007With highly reliable electrical systems, protective relays may be called upon to operate very infrequently. However, the effects of faults and abnormal conditions can...
Editor's Note: Click here to see a sample alignment data form.Proper alignment of the pump shaft with the driver can reduce vibration and significantly improve reliability. For appropriate...
Pumps and Systems, June 2009Editor's Note: Click here to see a sample alignment data formProper alignment of the pump shaft with the driver can reduce vibration and significantly improve reliability....
Pump Noise and Vibration Attentuation
Unanticipated noise and vibration can be problematic for both occupants and processes within structures. Noise and vibration in piping systems can originate at pumps and other mechanical equipment. If...
Last September, we spoke about the importance of pipe-to-piping alignment, evaluating actual numbers, and tabulating stress values as they approach yield stress of pipe at various values of...
Proper shaft alignment makes a difference
Pumps & System, June 2008Bigger Is Better-Or At Least It Used To BeOwing partly to tradition, the shafts of electric motors are often larger than those of the equipment they drive. Engineers were...
Bigger Is Better-Or At Least It Used To BeOwing partly to tradition, the shafts of electric motors are often larger than those of the equipment they drive. Engineers were very conservative a century...
Retrolifting Lift Stations with Submersible Motors
In the February 2008 issue, we discussed various ways to lift water ("Lifting Water: What Are Your Pump Options?", Pumping Prescriptions). Starting with the 4,000-year-old Archimedes Screw, we touched...
Safer and Smarter Single Phase Pumps
New motor starting controller provides one solution.Pump systems come in all sizes, from large municipal plants to small residential systems using single phase pumps that are three hp or smaller. All...
A paper or an electronic work order system can be used to capture alignment data.   Click here for a downloadable pdf. Click here to read Pump...
Pumps and Systems, June 2009 A paper or an electronic work order system can be used to capture alignment data. Click here for a downloadable pdf. Click here to read Pump Alignment: Just the Facts ...
Couplings are often forgotten until a project is nearing its end. With time running out, users often purchase whatever a supplier has in stock instead of the best solution for the system....
Pumps and Systems, June 2009Couplings are often forgotten until a project is nearing its end. With time running out, users often purchase whatever a supplier has in stock instead of the best solution...