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Energy Efficiency

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01.08.2013 | Original Article

Energy-efficient control strategy for variable speed-driven parallel pumping systems

verfasst von: Juha Viholainen, Jussi Tamminen, Tero Ahonen, Jero Ahola, Esa Vakkilainen, Risto Soukka

Erschienen in: Energy Efficiency | Ausgabe 3/2013

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Abstract

The article aims to find a solution for the energy efficiency improvements in variable speed-controlled parallel pumping systems with lesser initial data and without additional flow metering and start-up measurements. This paper introduces a new control strategy for variable speed-controlled parallel pumps based on flow rate estimation and pump operation analysis utilizing variable speed drives. The energy-saving potential of the new control strategy is studied with simulations and laboratory measurements. The energy consumption of the parallel pumps using the new control strategy is compared with the traditional rotational speed control strategy of parallel pumps. The benefit of the new control strategy is the opportunity to operate variable speed-controlled parallel pumps in a region which suggests improved energy efficiency and lower risk of mechanical failure of the controlled pumps compared with traditional control. The article concludes by discussing the implications of the findings for different applications and varying system conditions.

Vorheriger Artikel The future of utility customer-funded energy efficiency programs in the USA: projected spending and savings to 2025

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Titel: Energy-efficient control strategy for variable speed-driven parallel pumping systems
verfasst von: Juha Viholainen
Jussi Tamminen
Tero Ahonen
Jero Ahola
Esa Vakkilainen
Risto Soukka
Publikationsdatum: 01.08.2013
Verlag: Springer Netherlands
Erschienen in: Energy Efficiency / Ausgabe 3/2013
Print ISSN: 1570-646X
Elektronische ISSN: 1570-6478
DOI: https://doi.org/10.1007/s12053-012-9188-0

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