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Monitoring of centrifugal pump operation by a frequency converter
(Lappeenranta University of Technology, 2011-05-27)
Centrifugal pumps are widely used in industrial and municipal applications, and they are an important end-use application of electric energy. However, in many cases centrifugal pumps operate with a significantly lower ...
Power line communication in motor cables of variable-speed electric drives − analysis and
(Lappeenranta University of Technology, 2008-10-31)
Data transmission between an electric motor and a frequency converter is required in variablespeed electric drives because of sensors installed at the motor. Sensor information can be used for various useful applications ...
Radio Frequency Measurement Method for Detecting Bearing Currents in Induction Motors
(Lappeenranta University of Technology, 2009-05-28)
Induction motors are widely used in industry, and they are generally considered very reliable. They often have a critical role in industrial processes, and their failure can lead to significant losses as a result of shutdown ...