Load measurement for electrical drives - by deriving abstract parameter from phase angle between current and voltage of motor and its revolution rate

Load measurement for electrical drives - by deriving abstract parameter from phase angle between current and voltage of motor and its revolution rate

The method of abstracted load measurement of electrical drives involves measuring the phase angle between the cureent and voltage and the revolution rate of the motor and processing them in a special measurement device. Following subtraction of a constant voltage (6) from the measurement plarameters...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WOLFF, NORBERT, O-2510 ROSTOCK, DE, GRUNST, HOLGER, O-2510 ROSTOCK, DE, FIEBIG, WILFRIED, DOSE, HARTMUT, O-2401 WISMAR, DE, VALA, JAN, O-2500 ROSTOCK, DE
Format: Patent
Sprache:eng ; ger
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:The method of abstracted load measurement of electrical drives involves measuring the phase angle between the cureent and voltage and the revolution rate of the motor and processing them in a special measurement device. Following subtraction of a constant voltage (6) from the measurement plarameters, amplification and averaging according to technologically defined timing the two paramters are combined to form a measurement parameter with an abstract linear relationship to the drive load. USE/ADVANTAGE - Highly accurate measurement of loading on electrical drive motor for material processing machine.