PUMP ASSEMBLY AND CONTROLLING METHOD

The present disclosure provides a pump assembly (1) comprising a pump unit (2), an electrical drive motor (203) for driving the pump unit (2), and a control unit (201) for controlling the drive motor (203), wherein the control unit (201) comprises a frequency converter (209), a voltage converter (20...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Plougmann, Jan, Vestergaard Kragelund, Klaus, Aarestrup, Jan Carøe
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The present disclosure provides a pump assembly (1) comprising a pump unit (2), an electrical drive motor (203) for driving the pump unit (2), and a control unit (201) for controlling the drive motor (203), wherein the control unit (201) comprises a frequency converter (209), a voltage converter (207) and a controller (211), wherein the voltage converter (207) is configured to provide an input voltage (U in ) to the frequency converter (209), the input voltage (U in ) being adjustable within a voltage range between a minimum input voltage (U min) and a maximum input voltage (U max ), wherein the controller (211) is configured to determine an actual power consumption of at least one of the drive motor (203), the frequency converter (209) and the voltage converter (207) during operation of the pump unit (2), and wherein the controller (211) is configured to tune the input voltage (U in ) depending on the determined actual power consumption during operation of the pump unit (2).