Component Efficiency and the Ecodesign Directive
The right direction but… The Ecodesign Directive* is the European legislative basis for establishing energy saving measures, and is definitely a step in the right direction. It enables a huge potential for reduction of energy consumption, ensuring…
Making Sense of Sensorless
There is a lot of discussion in the pumping industry about the reliability of sensorless pump control. While controlling pumps through indirect measurements has been available to the market for many years in a variable frequency drives,…
Outdoor Installation of Variable Frequency Drives
At almost any water or wastewater plant you will see installations where there are several pumps installed outdoors. In the past, managing an electrical installation was simple; all you needed was protection of the mains cable to…
Dealing with Obstacles: How to cope with setbacks
In sales, setbacks and adversity are inevitable. Regardless where you are in your career development, I can promise you one thing: we all will be faced with challenges. From a lost sale or contract, to a missed…
Using VFDs in Refrigeration and Cold Storage Applications (1)
Part One : Introduction This is the first post is a series about the advantages of using variable frequency drives (VFDs) in refrigeration and cold storage applications. Using VFDs to control compressors, evaporator and condensor fans, and pumps…
There Is Still A Lot Of Energy To Save
70 to 80% of all motors in this world are not equipped with a variable speed drive. Of these, 60 to 70% are part of an application with a need for variable speed or variable torque. That…