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NORD releases energy efficient distributed pump drives

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article image NORD’s integrated pump drives can store up to four operation modes that can be displayed and changed directly at the control unit

NORD Drivesystems introduces energy-efficient distributed pump drive solutions designed for a wide performance range up to 22 kW.

Speed control balanced to actual requirements greatly enhances the energy efficiency of pump systems. NORD’s complete pre-assembled distributed drive units not only deliver energy savings of up to 60%, but also offer user benefits such as reduced noise emissions, low wear, and increased plant service life.

NORD’s SK 200E series comprises of reliable and economical frequency inverters especially tailored to pump applications that precisely adjust power output as required. These frequency inverters are compatible with mains voltages worldwide.

NORD configures complete drive systems for various application areas (IP55/IP66, ATEX zone 22/3D). Integrated process and PI controller functions enable the fully automated control of process variables and compensation of disturbances in standalone and mobile applications as well as in complex setups with several drives.

The two analogue inputs allow the inverters to directly process sensor data such as pressure or flow rate. Optional signal and power plug connectors facilitate handling and ensure compatibility. A programmable energy-saving function automatically reacts to partial load operation, increasing efficiency and significantly reducing running costs. Operation is straightforward and flexible via control terminals, bus, or an optional potentiometer that enables adjustments directly at the inverter.

Up to four operation modes can be stored, saving setup time, for instance, during cleaning cycles or media changes. The customised parameters can be quickly exported to other units via a pluggable storage module, the system bus, or Ethernet interfaces.With control cabinets no longer required, the decentralised option reduces cabling effort for users. The pre-assembled inverter also minimises the electro-technical effort during installation.

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