Power rating of CPV systems based on spectrally corrected DNI

Antón, Ignacio; Martinez, Maria Elisa Marciano; Rubio, Fernando; Núñez, Rubén; Herrero, Rebeca; Domínguez, César; Victoria, Marta; Askins, Stephen; Sala, Gabriel

doi:10.1063/1.4753898

Cited by 35 publications

(24 citation statements)

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“…4 and similar to the work by Germany and Spain [3,4]) can achieve an outdoor power rating with approximately ±2.5% variation. These results are based on SMR filtering of ±5% and at least 10 "acceptable days" of data.…”

Section: Resultsmentioning

confidence: 70%

“…Specifically, it has been indicated that the spectral matching ratio, SMR (the ratio of the current generated in the top reference cell to the current in the middle reference cell under the G173 reference spectrum), will be used to determine if a data point is acceptable for use in the power rating procedure. Groups from Germany and Spain have indicated that this method has promise for minimizing the impact of spectral variation [3,4], but a clear procedure for using SMR in achieving a low uncertainty power rating has yet to be written and tested.…”

Section: Introductionmentioning

confidence: 99%

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Procedural considerations for CPV outdoor power ratings per IEC 62670

Muller¹,

Kurtz²,

Rodriguez³

2013

AIP Conference Proceedings

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Abstract. The IEC Working Group 7 (WG7) is in the process of developing a draft procedure for an outdoor concentrating photovoltaic (CPV) module power rating at Concentrator Standard Operating Conditions (CSOC). WG7 recently achieved some consensus that using component reference cells to monitor/limit spectral variation is the preferred path for the outdoor power rating. To build on this consensus, the community must quantify these spectral limits and select a procedure for calculating and reporting a power rating. This work focuses on statistically comparing several procedures the community is considering in context with monitoring/limiting spectral variation.

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Section: Resultsmentioning

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Procedural considerations for CPV outdoor power ratings per IEC 62670

Muller¹,

Kurtz²,

Rodriguez³

2013

AIP Conference Proceedings

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“…The advantage of this approach is that the spectral effects of an HCPV device are quantified by adjusting only the incident DNI [58].…”

Section: Application Of Anns To Estimate the Electrical Characteristimentioning

confidence: 99%

“…A different approach for electrical modelling of these devices is based on the premise that the electrical parameters of an HCPV module can be estimated by applying models and equations used for conventional PV technology from the DNI, corrected spectrally, and the T c [58,59]. According to this approach, two ANNs for estimating these parameters have been proposed in [41,60].…”

Section: Application Of Anns To Estimate the Electrical Characteristimentioning

confidence: 99%

Applications of ANNs in the Field of the HCPV Technology

Almonacid

Mellit

Kalogirou

2015

High Concentrator Photovoltaics

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High-concentrator photovoltaic (HCPV) devices are based on the use of multijunctions solar cells and optical devices. Therefore, the electrical modelling of an HCPV device presents a great level of complexity. Several artificial neural network (ANN)-based models have been developed to try to address this issue. In this chapter, a review of the developed ANN-based models developed to try to address some issues related with the field of high concentrator PV technology is reported. In addition, the results obtained from the application of some of these models to estimate the electrical parameters of an HCPV module-such as maximum power, short-circuit current, and open-circuit voltage-are presented. The results show that the ANNs are a useful tool for modelling HCPV applications.

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“…From the photocurrents of a set of component cells we can define the so called Equivalent Irradiance for each subcell [4], as the normalized current to the reference spectrum and irradiance:…”

Section: Spectral Matching Ratio (Smr)mentioning

confidence: 99%

Spectral network based on component cells under the SOPHIA European project

Núñez

Antón

Askins

et al. 2015

AIP Conference Proceedings

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Abstract. In the frame of the European project SOPHIA, a spectral network based on component (also called isotypes) cells has been created. Among the members of this project, several spectral sensors based on component cells and collimating tubes, so-called spectroheliometers, were installed in the last years, allowing the collection of minuteresolution spectral data useful for CPV systems characterization across Europe. The use of spectroheliometers has been proved useful to establish the necessary spectral conditions to perform power rating of CPV modules and systems. If enough data in a given period of time is collected, ideally a year, it is possible to characterize spectrally the place where measurements are taken, in the same way that hours of annual irradiation can be estimated using a pyrheliometer.

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Power rating of CPV systems based on spectrally corrected DNI

Abstract: Power rating based on two different spectroheliometers with lattice-matched (LM) and upright metamorphic (UMM) component solar cells

Cited by 35 publications

References 0 publications

Procedural considerations for CPV outdoor power ratings per IEC 62670

Procedural considerations for CPV outdoor power ratings per IEC 62670

Applications of ANNs in the Field of the HCPV Technology

Spectral network based on component cells under the SOPHIA European project

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