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...
Siemens discusses one of their new motors.
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...
Pumps & Systems, August 2007Even when a redundant pumping system is in place, it can be advisable to monitor the condition of the operating units in critical applications where maintaining...
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...
Optimized Energy-To-Thrust Ratio and Mechanical Reliability: The Keys to Submersible Mixer Cost Efficiency
Energy is the largest ongoing cost of mixer operation, so it is vital to carefully consider the energy-to-thrust ratio (sometimes called the “water-to-wire” ratio) for each and every mixer...
Previous articles in this series explained how oversized piping systems can have higher operating and maintenance costs. Higher maintenance costs can adversely affect the reliability and uptime of...
  Maintenance Supervisor Palle Svangren tells Pumps & Systems why Grundfos pumps and motors help make the Crowne Plaza Copenhagen Towers hotel the "Greenest Hotel in the World."
Plant Upgrades Improve Efficiency at Midwest Refinery
Equipment and technology improvements can be sound investments.
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...
Power Generation on Demand
The application, geography, regulations and proper size must be considered when choosing a generator set.
Powering the Pump: Diesel Versus Electric Motors
Make the ideal motor selection for irrigation applications.
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....
 Do not let a catastrophic event be your wake-up call to adopt a proactive strategy.All too often, we have found the tipping point to predictive maintenance is a costly breakdown of motors, pumps...
Pumps & Systems, September 2007 Currents are induced on the motor shafts when AC motors are employed with VFDs to drive air pumps, chillwater pumps and compressors in HVAC/R systems. Without a...
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...
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...
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...
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 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....
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...
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...
Pump Protection
When can you trust your overload relay to keep you safe?The oil and gas industry depends heavily on pumps, and their reliability is vital for safety and economic reasons. For many years, the...
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...
  Pumps and Systems, February 2007 Last September, we spoke about the importance of pipe-to-piping alignment, evaluating actual numbers, and tabulating stress values as they approach yield...
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...