Assessing the Performance of Small Wind Energy Systems Using Regional Weather Data

While large renewable power generation schemes, such as wind farms, are well monitored with a wealth of data provided through a SCADA system, the only information about the behaviour of small wind turbines is often only through the metered electricity production. Given the variability of electricity...

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Main Author: Wolf-Gerrit Früh
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/8/3500
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author Wolf-Gerrit Früh
author_facet Wolf-Gerrit Früh
author_sort Wolf-Gerrit Früh
collection DOAJ
description While large renewable power generation schemes, such as wind farms, are well monitored with a wealth of data provided through a SCADA system, the only information about the behaviour of small wind turbines is often only through the metered electricity production. Given the variability of electricity output in response to the local wind or radiation condition, it is difficult to ascertain whether particular electricity production in a metering period is the result of the system operating normally or if a fault is resulting in a sub-optimal production. This paper develops two alternative methods to determine a performance score based only on electricity production and proxy wind data obtained from the nearest available weather measurement. One method based on partitioning the data, consistent with a priori expectations of turbine performance, performs well in common wind conditions but struggles to reflect the effects of different wind directions. An alternative method based on Principal Component Analysis is less intuitive but shown to be able to incorporate wind direction.
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spelling doaj.art-e2cfba0ce7c44196b3572566ef502d122023-11-17T19:06:06ZengMDPI AGEnergies1996-10732023-04-01168350010.3390/en16083500Assessing the Performance of Small Wind Energy Systems Using Regional Weather DataWolf-Gerrit Früh0Institute of Mechanical, Process and Energy Engineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UKWhile large renewable power generation schemes, such as wind farms, are well monitored with a wealth of data provided through a SCADA system, the only information about the behaviour of small wind turbines is often only through the metered electricity production. Given the variability of electricity output in response to the local wind or radiation condition, it is difficult to ascertain whether particular electricity production in a metering period is the result of the system operating normally or if a fault is resulting in a sub-optimal production. This paper develops two alternative methods to determine a performance score based only on electricity production and proxy wind data obtained from the nearest available weather measurement. One method based on partitioning the data, consistent with a priori expectations of turbine performance, performs well in common wind conditions but struggles to reflect the effects of different wind directions. An alternative method based on Principal Component Analysis is less intuitive but shown to be able to incorporate wind direction.https://www.mdpi.com/1996-1073/16/8/3500small wind turbinesperformance monitoringprincipal component analysis
spellingShingle Wolf-Gerrit Früh
Assessing the Performance of Small Wind Energy Systems Using Regional Weather Data
Energies
small wind turbines
performance monitoring
principal component analysis
title Assessing the Performance of Small Wind Energy Systems Using Regional Weather Data
title_full Assessing the Performance of Small Wind Energy Systems Using Regional Weather Data
title_fullStr Assessing the Performance of Small Wind Energy Systems Using Regional Weather Data
title_full_unstemmed Assessing the Performance of Small Wind Energy Systems Using Regional Weather Data
title_short Assessing the Performance of Small Wind Energy Systems Using Regional Weather Data
title_sort assessing the performance of small wind energy systems using regional weather data
topic small wind turbines
performance monitoring
principal component analysis
url https://www.mdpi.com/1996-1073/16/8/3500
work_keys_str_mv AT wolfgerritfruh assessingtheperformanceofsmallwindenergysystemsusingregionalweatherdata