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Understanding Permanent Magnet Motors

A permanent magnet (PM) motor is an ac motor that uses magnets imbedded into or attached to the surface of the motor’s rotor. This article provides an elementary understanding behind the terminology, concepts, theory, and physics behind PM motors.

The Fundamentals of Matrix Variable Frequency Drive Technology

Providing cost, space, and energy efficiency for VFD applications.

Troubleshooting VFDs 101 — with no-power checks

Before ripping down that variable frequency drive (VFD) and sending it in for a rebuild, stop. Here's how to make the necessary inspections with a multimeter.

Irrigation Station for High School Football Field

Metro Irrigation Supply successfully installed a Gicon pump station at a local high school football field and reduced energy consumption by utilizing Yaskawa iQpump1000 variable speed drives.

Yaskawa offers self-guided video training

Yaskawa introduces self-guided video training that combines existing e-Learning modules with direct product interaction via the web.

A Brief Introduction to Common Bus and Line Regeneration

Deciding which setup is right for a common bus takes research and evaluation, but selecting and implementing the right one significantly improves design performance and efficiency.

Project profile: Chillers retrofit at office buildings

Prepackaged chillers retrofit cut energy costs by 30% and reduced required maintenance and extending operating life at Duke Realty Corp.’s 19-story office building in Clayton, Mo.

VIDEO: Technical Training Services (TTS) Overview

Yaskawa's Technical Training Services (TTS) overview video.

How to Choose the Right Control Method for VFDs

Motors account for at least half of the energy consumed in the U.S. Selecting the right control method for an application lets the motor run most efficiently while maximizing torque and overall performance.

Details Drive Choice of Servomotors

In a competitive marketplace, details help differentiate one product from another. A thoughtful feature or a more rugged design can make all the difference. Consumers who buy based solely on price often end up disappointed.

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