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  • Protecting Thrust Bearings in Deepwell Submersible Pumps

    Frank Taaning-Grundholm 2014/06/23 2021/01/08

    When applying variable speed control to deepwell submersible pumps, there are some unique concerns that need to be taken into consideration due to the mechanical design of the pump. One of these concerns is how to protect…

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    Using VFDs in Refrigeration and Cold Storage Applications (2)

    Deepinder Singh Chani 2014/06/13 2021/01/08

    Part Two: Variable frequency drives in refrigeration systems (Part One of this series can be found here) The thermodynamic efficiency of a refrigeration system is significantly dependent on its operating temperatures. Other important practical issues such as…

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    Component Efficiency and the Ecodesign Directive

    Ole Møller-Jensen 2014/05/28 2021/01/08

    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…

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    Making Sense of Sensorless

    Frank Taaning-Grundholm 2014/05/21 2021/01/08

    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,…

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    Outdoor Installation of Variable Frequency Drives

    Frank Taaning-Grundholm 2014/05/13 2021/01/08

    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…

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    Dealing with Obstacles: How to cope with setbacks

    Richard Hamilton Mantz 2014/05/09 2021/01/08

    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…

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