Two years operating CPV plants: Analysis and results at ISFOC

Rubio, Fernando; Martinez, Maria Elisa Marciano; Sánchez, Daniel H.; Aranda, Rosa María Martín; Banda, P.; Dimroth, Frank; Kurtz, Sarah; Sala, Gabriel; Bett, Andreas W.

doi:10.1063/1.3658353

Cited by 9 publications

(4 citation statements)

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“…The Institute of Concentration Photovoltaics (ISFOC) reports that trackers account for >50% of observed problems in the field. [34] Some companies expressed the desire for standardization and the associated reduced cost. As flat-plate companies have increased their use of trackers, the number of companies supplying trackers has also increased.…”

Section: Trackersmentioning

confidence: 99%

Opportunities and Challenges for Development of a Mature Concentrating Photovoltaic Power Industry (Revision)

Kurtz¹

2012

118

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Section: Trackersmentioning

confidence: 99%

Opportunities and Challenges for Development of a Mature Concentrating Photovoltaic Power Industry (Revision)

Kurtz¹

2012

118

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“…Data on the Villafranca installation were published in [32]. Real EP data for the Puertollano CPV installation were taken from ISFOC and Concentrix papers [5,6]. Finally, real EP data from the Seville CPV installation were taken from Concentrix papers [4] that reported the monthly cumulated yield of the power plant.…”

Section: Data Collection Of Real Energy Production For 2009mentioning

confidence: 99%

“…The EP of Amonix CPV installations is analyzed in [2] and a method for predicting the EP in Concentrix CPV installations is presented in [3]. Finally, the real EP of several CPV installations is reported in [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Analysis and Prediction of Energy Production in Concentrating Photovoltaic (CPV) Installations

2012

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Abstract:A method for the prediction of Energy Production (EP) in Concentrating Photovoltaic (CPV) installations is examined in this study. It presents a new method that predicts EP by using Global Horizontal Irradiation (GHI) and the Photovoltaic Geographical Information System (PVGIS) database, instead of Direct Normal Irradiation (DNI) data, which are rarely recorded at most locations. EP at four Spanish CPV installations is analyzed: two are based on silicon solar cells and the other two on multi-junction III-V solar cells. The real EP is compared with the predicted EP. Two methods for EP prediction are presented. In the first preliminary method, a monthly Performance Ratio (PR) is used as an arbitrary constant value (75%) and an estimation of the DNI. The DNI estimation is obtained from GHI measurements and the PVGIS database. In the second method, a lineal model is proposed for the first time in this paper to obtain the predicted EP from the estimated DNI. This lineal model is the regression line that correlates the real monthly EP and the estimated DNI in 2009. This new method implies that the monthly PR is variable. Using the new method, the difference between the predicted and the real EP values is less than 2% for the annual EP and is in the range of 5.6%-16.1% for the monthly EP. The method that uses the variable monthly PR allows the prediction of the EP with reasonable accuracy. It is therefore possible to predict the CPV EP for any location, using only widely available GHI data and the PVGIS database. OPEN ACCESSEnergies 2011, 4 771

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“…The starting point of this study is the analysis that ISFOC has performed over its CPV plants regarding soiling effects on their energy production [2,3].…”

Section: Measurements and Methodsmentioning

confidence: 99%

Soiling effects comparison between CPV plants in continental and desert climates

Calvo-Parra¹,

Martinez²,

Sánchez³

et al. 2017

AIP Conference Proceedings

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This paper presents the results obtained in the analysis of soiling effects in the energy production of CPV systems placed in desert areas (Abu Dhabi). These results are compared with the ones obtained from similar systems placed in continental climate areas, as it is the center of Spain at ISFOC headquarters. While the reduction in the energy generation because of soiling accumulation was less than a 10% at ISFOC, at Abu Dhabi it seems that it can reach values of 80% relatively fast, therefore a good cleaning policy becomes mandatory in climatic areas like Abu Dhabi.

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Two years operating CPV plants: Analysis and results at ISFOC

Cited by 9 publications

References 0 publications

Opportunities and Challenges for Development of a Mature Concentrating Photovoltaic Power Industry (Revision)

Opportunities and Challenges for Development of a Mature Concentrating Photovoltaic Power Industry (Revision)

Analysis and Prediction of Energy Production in Concentrating Photovoltaic (CPV) Installations

Soiling effects comparison between CPV plants in continental and desert climates

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