It’s been two months since the Presidential Permit for the Keystone XL Pipeline was revoked. The Keystone may never move oil, but the impacts remain with pipes and infrastructure still in tact.
March 22, 2021 by Seth Price
Variable frequency drives (VFDs) can output simulated waveforms of nearly any frequency. However, in order to be truly useful, harmonics and resonance in the system must be avoided and frequency parameters should be put in place.
March 08, 2021 by David Peterson
Three-phase motors with three or six wires have limited options for wiring, but are easier to use and have important roles to play. Learn the difference between three- and six-wire three-phase motors for low and high voltage applications.
February 13, 2021 by David Peterson
The National Electrical Manufacturers Association (NEMA) partnered with the Northwest Energy Efficiency Alliance (NEEA) and the Cadeo Group on a new report about energy savings for power drive systems (PDS).
January 28, 2021 by Alessandro Mascellino
There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and connections look similar on the outside, this article discusses the internal construction for Delta wound motors.
January 20, 2021 by David Peterson
