- Photovoltaic System Optimization Techniques
- Solar Radiation and Photovoltaics
- Solar Thermal and Photovoltaic Systems
- solar cell performance optimization
- Photovoltaic Systems and Sustainability
- Electric Vehicles and Infrastructure
- Energy and Environment Impacts
- Smart Grid Energy Management
- Silicon and Solar Cell Technologies
- Advanced Battery Technologies Research
- Green IT and Sustainability
- Sensor Technology and Measurement Systems
- Atmospheric and Environmental Gas Dynamics
- Maritime Transport Emissions and Efficiency
- Transport and Economic Policies
- Advanced Neural Network Applications
- Chalcogenide Semiconductor Thin Films
- Atmospheric Ozone and Climate
- Building Energy and Comfort Optimization
- Robotics and Sensor-Based Localization
- Calibration and Measurement Techniques
- Environmental and Ecological Studies
- Global Energy and Sustainability Research
- Renewable energy and sustainable power systems
- Economic Theory and Policy
Universidad Politécnica de Madrid
2009-2021
Ibero American University
2019
3D Systems (Belgium)
2019
European Telecommunications Standards Institute
2011
Photovoltaic (PV) energy generation plays a crucial role in the transition. Small-scale, rooftop PV installations are deployed at an unprecedented pace, and their safe integration into grid requires up-to-date, high-quality information. Overhead imagery is increasingly being used to improve knowledge of with machine learning models capable automatically mapping these installations. However, cannot be reliably transferred from one region or source another without incurring decrease accuracy....
The long-term viability of Building Integrated Photovoltaics (BIPV) as a renewable energy technology has garnered increased attention in recent discussions. However, there is currently noticeable absence simulation tools specific to BIPV applications that can cover the whole modelling chain. It remains unclear what extent existing PV and BIM-based effectively address complexities projects. Therefore, this study aims assess process for simulation, three standalone (SAM, PV*SOL premium,...
This article presents an initial performance analysis of a database photovoltaic (PV) system time series collected within the European funded COST Action PEARL PV. The contains monitoring data over 8400 PV systems with accompanying metadata. plants are small residential systems, primarily installed in Europe, high density Belgium. In this study, annual average ratio, energy yield, and loss rate determined evaluated. have lifetime 30.5 months. mean ratio across all is 76.7% yield 954.9...
Among the parameters that define a bifacial photovoltaic module, bifaciality coefficients indicate rear and front side ratio of most representative IV curve points panel, is, Isc, Voc Pm. However, these are defined under ideal Standard Test Conditions (STC). Therefore, to provide realistic insight regarding performance modules, it is necessary evaluate real operating conditions. For such purpose, an outdoor campaign was performed experimentally measure maximum power coefficient two modified...
The main objective of this paper is to review the state art residential PV systems in France and Belgium. This done analyzing operational data 10650 (9657 located 993 Belgium). Three questions are posed. How much energy do they produce? What level performance associated their production? Which key p arameters that most influence quality? During year 2010, have produced a mean annual 1163 kWh/kW 852 As whole, orientation generator s causes productions be some 7% inferior optimally oriented...
The hot-spot phenomenon is a relatively frequent problem occurring in current photovoltaic generators. It entails both risk for the module's lifetime and decrease its operational efficiency. Nevertheless, there still lack of widely accepted procedures dealing with them practice. This paper presents IES-UPM observations on 200 affected modules. Visual infrared inspection, electroluminescence, peak power operating voltage tests have been accomplished. Hot-spot observation well defined...
Large-scale PV fields are a complicated target for monitoring and performance evaluation. In this paper, field experience with multirotor UAV has been reported. A X-frame quadcopter equipped various VIS IR cameras is used to detect defects responsible degradation. Usually in laboratory environment, hi-res photos, EL photos far- of single module diagnostic purposes. However, on-field plant testing procedures need faster methods batch processing. Our investigations confirm that new robotics...
In June 2015, the UK fleet of solar photovoltaic (PV) systems reached 7.8 GWp capacity, but there are wide gaps in our understanding performance these systems, which has lead to conservative limit 10 being imposed on PV capacity by Department Energy and Climate Change. Here we present results a statistical analysis real world donate data Microgen Database, over 7000. The mean yearly-integrated Performance Ratio (PR) domestic scale is 83% with standard deviation 7%. By considering PR, have...
The hot-spot phenomenon is a relatively frequent problem occurring in current photovoltaic generators. It entails both risk for the module's lifetime and decrease its operational efficiency. Nevertheless, there still lack of widely accepted procedures dealing with them practice. This paper presents IES-UPM observations on 200 affected modules. Visual infrared inspection, electroluminescence, peak power operating voltage tests have been accomplished. Hot-spot observation well defined...
We have tried to cast some light on of the numerous questions concerning performance solar PV systems in Europe. based our analysis operational data monitored at more than 31,000 These installations comprise residential and commercial rooftop distributed over 9 different countries, including multi-megawatt plants installed South The were between 2006 2014. mean Energy Yield located four reference countries are 1115 kWh/kWp for France, 898 UK, 908 Belgium, 1450 Spain mounted a static...
BIPV systems are small PV generation units spread out over the territory, and whose characteristics very diverse. This makes difficult a cost-effective procedure for monitoring, fault detection, performance analyses, operation maintenance. As result, many problems affecting go undetected. In order to carry effective automatic detection procedures, we need indicator that is reliable can be applied on at low cost. The existing approaches analyzing of often based Performance Ratio (PR),...
The photocurrent produced by a multijunction III–V cell is limited the component of union which yields lowest photocurrent. induced energy losses are quantified Spectral Radiation Matching Factor (SRMF), defined as ratio between and that could be if subcells were current matched at any moment. Accurate SRMF estimations generally require accurate measurement solar spectrum. Another method to measure spectrum using three "isotype" cells, or single‐junction cells have same spectral response...
The hot-spot phenomenon is a relatively frequent problem in current photovoltaic generators. It entails both risk for the module's lifetime and decrease its operational efficiency. Nevertheless, there still lack of widely accepted procedures dealing with them practice. This paper presents IES UPM observations on 200 affected modules. Visual infrared inspection, electroluminescence, peak power operating voltage tests have been accomplished. Hot-spot observation well defined acceptance...
This paper will introduce a recently initiated COST Action entitled PEARL-PV and show its4-year research work plan with the aim to create exposure, receive feedback from various stakeholders involve new participants this network. has started at theend of 2017 improve energy performance reliability photovoltaic (PV) solar systems in Europe leading lower costs electricity produced by PV higher yield, longer life time eventually beyond guaranteed 20 years as specified manufacturers, reduction...
This work presents a method that allows for automatically analyzing the performance and detecting failures of BIPV system at different temporal resolutions, in particular monthly, daily hourly levels. We have developed procedure is capable operational problems on sole basis energy production data measured systems, which does not require knowledge their operating conditions. based identification abnormal variations indicator designated by Performance To Peers (P2P), because it comparisons...
Actual system performance of a PV can differ from its expected behaviour.. This is the main reason why systems should be monitored, analyzed and, if needed, improved on. Some current testing procedures relating to electrical behaviour are appropriated for detecting losses, but they not well-suited reveal hidden defects in modules plants and BIPV, which lead future losses. paper reports on tests used evaluate systems, especially novel procedure quick on-site measurements defect recognition...
The Performance ratio (PR) describes the technical quality of PV installation. On yearly basis, it is a good performance indicator for monitoring and comparisons plants at different locations, but shorter testing periods or commissioning, weekly -based hourly-based indicators are preferable. We have developed tool based on small SCADA which allows on-field measurements. main advantages flexibility speed testing. Thanks to recent developments smart sensors, measuring can be adapted...