Pumpenanordnung und Steuerungsverfahren

Details

Veröffentlichungs-Nr.

EP3382890

Aktenzeichen

EP17164400

Anmeldetag

31. März 2017

Veröffentlichung

24. Mai 2023

Erteilung

24. Mai 2023

Rechtsraum

EP

IPC

H02P27/06F04D15/00

Abstract

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).

Anmelder

Firma

Grundfos Holding A/S

Land

🇩🇰 Dänemark

Fachgebiete