Bioresource and Agricultural Engineering Commons^™

Variable Frequency Drives - Planning Your System, Charles M. Burt

BioResource and Agricultural Engineering

Many irrigation districts are installing Variable Frequency Drives (VFDs) to increase their level of service to their customers and/or to reduce their energy consumption. This brochure is intended to help irrigation districts properly evaluate what type of VFD they need and how to install it.

However, not all VFDs are the same. The performance quality of a VFD will depend on the characteristics of the particular VFD, as well as how the VFD system is set up. Many times it is the seemingly small details that will have a large impact on performance in the long run. This brochure is …

Variable Frequency Drives And Scada — Are They Worthwhile Investments?, Charles M. Burt, Daniel J. Howes

BioResource and Agricultural Engineering

Managers and personnel from five California irrigation districs were interviewed to determine if installing variable frequency drives (VFDs) and supervisory control and data acquisition (SCADA) systems were worthwhile investments.