Figure 2. A simple sine wave with a period of 360° and an amplitude of 1. In single phase power the x-intercepts are 180° from each other. A full period is 360°. A single phase motor has a crest approximately every 16.5 milliseconds giving the motors a tendency to vibrate more, which may contribute to a shortened bearing life.
SF Series®
Utah Lake Cascade Pump
Schlumberger Pump Assembly
Parley’s Water Treatment Plant. Photo credit SLCdocs.com
Bowl wear ring
Gorman-Rupp SF Series® Submersible Solids-handling Pump
80 Series® Engine Driven
Vertical Lathe
Machinist at Nickerson Company running a state-of-the-art CNC machine.
380 Series Vertical Inline Pump with VFD
Custom shapes cut from raw materials.
Impeller wear ring
Nickerson Field Crew
Close-Coupled Vertical Turbine
Horizontal Lathe
Model 342A Single Stage End Suction
Figure 1. The general arrangement of a three phase waveform.
Vertical Turbine Pumps, Deep Well
Ultra V Series® and UltraMate®
Horizontal Lathe
Computer Numerical Control Machine (CNC) at Nickerson
Bowl wear ring
CNC machine, where computers are used to control the movement and operation of the mills, lathes, and other cutting tools.
Frame-mount Centrifugal Pumps
Horizontal Lathe
Vertical Lathe
“NSF/ANSI 61.” NSF RSS. The Public Health and Safety Organization, n.d. Web. 07 June 2017.
Well Pump Installation
Utah Lake Cascade Pump
Submersible Turbine Pumps
Figure 3. Three phase power has three identical sine waves overlapping at an offset of 2π/3 radians or 120°. When one phase reaches an x-intercept or node the next phase is only 30° and approximately 5.6 milliseconds from reaching its crest.
Computer Numerical Control Machine (CNC) at Nickerson
