Resource Library
 
 
How to Calculate the RPM of a VFD
 Knowing revolutions per minute is critical to adjusting power to match system requirements.
 Veronica Neffinger
 P&S Issue:  November 2019
 
 
Selecting Bearing Systems in Vertical Motors
 Choice should be based on load, thrust, lubrication and other specific application needs.
 Eduardo DosReis
 P&S Issue:  September 2019
 
 
Eddy Current Drives Aid Centrifugal Pumps in Controlling Flow and Pressure
 Most pumps are driven by AC induction motors. 
 Gary Patterson
 P&S Issue:  April 2019
 
 
6 Key Differences of Vertical & Horizontal Motors
 Avoid operational problems during installation and startup
 Helmuth Glatt
 P&S Issue:  March 2019
 
 
A Review of Variable Speed Drive Technology: Part 1
 How fluid drive, eddy current drive and wound rotor motors work to achieve true variable speed control.
 William Livoti
 P&S Issue:  February 2019
 
 
Lower Life Cycle Cost with Multiple Pump Control
 Modern VFDs can improve cost saving and extend equipment life.
 Nicole George
 P&S Issue:  May 2018
 
 
How Do VFDs Work?
 The adjustable flow method changes the flow curve and drastically reduces power requirements.
 WEG Electric Corp.
 P&S Issue:  January 2018
 
 
Eddy Current Drive Advantages
 Learn how these drives are different from other variable speed equipment.
 Gary Patterson
 P&S Issue:  December 2017
 
 
5 Ways to Reduce Harmonics
 Several kinds of equipment can help, depending on the system.
 Eaton Solutions
 P&S Issue:  November 2017
 
 
Why Suppliers Standardize Products
 These companies work to balance effective manufacturing and customer needs.
 Peter Goretzki
 P&S Issue:  October 2017