Browsing by Author "Makrides, George"
Now showing items 21-33 of 33
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Conference Object
Machine learning algorithms for photovoltaic system power output prediction
Theocharides, Spyros; Makrides, George; Georghiou, George E.; Kyprianou, Andreas (2018)Accurate photovoltaic (PV) production forecasting is necessary for the optimal integration of this technology into existing power systems and is important for both grid and plant operators. The purpose of this work is to ...
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Conference Object
Machine learning algorithms for photovoltaic system power output prediction
Theocharides, Spyros; Makrides, George; Georghiou, George E.; Kyprianou, Andreas (2018)Accurate photovoltaic (PV) production forecasting is necessary for the optimal integration of this technology into existing power systems and is important for both grid and plant operators. The purpose of this work is to ...
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Conference Object
On-line failure diagnosis of grid-connected photovoltaic systems based on fuzzy logic
Livera, Andreas; Theristis, Marios; Makrides, George; Georghiou, George E. (2018)Accurate identification of failures in photovoltaic (PV) systems, which can result in energy loss or even serious safety issues, is crucial for ensuring reliability of the installations and the guaranteed lifetime output. ...
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Conference Object
Optimal development of location and technology independent machine learning photovoltaic performance predictive models
Livera, Andreas; Theristis, Marios; Makrides, George; Ransome, Steve; Sutterlueti, Juergen; Georghiou, George E. (2019)Photovoltaic (PV) power prediction is important for monitoring the performance of PV plants. The scope of this work is to develop a methodology for deriving an optimized location and technology independent machine learning ...
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Conference Object
Optimised Control of 10 MW Photovoltaic (PV) Plant with 1MW / 1MWh Battery
Norgaard, P.; Bindner, Henrik W.; Thavlov, Anders; Florides, Michalis; Venizelou, Venizelos; Patsalides, M.; Anastassiou, Charalambos; Makrides, George; Efthymiou, V.; Georghiou, George E. (2016)With the existing energy systems and electricity grids worldwide being developed as smart systems and grids with increased renewable energy in general, there are critical needs in smart grid knowledge, development, testing, ...
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Conference Object
Performance Analysis of Mechanistic and Machine Learning Models for Photovoltaic Energy Yield Prediction
Livera, Andreas; Theristis, Marios; Makrides, George; Sutterlueti, Juergen; Ransome, Steve; Georghiou, George (2019)In this work, the prediction performance of the mechanistic performance model (MPM) and a machine learning Feed Forward Neural Network (FFNN), was evaluated using yearly datasets, containing sixty-minute average and ...
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Article
Performance loss rate of twelve photovoltaic technologies under field conditions using statistical techniques
Makrides, George; Zinsser, Bastian; Schubert, Markus; Georghiou, George E. (2014)Abstract This paper presents a comparison of the annual performance loss rate (PLR) of twelve different grid-connected photovoltaic (PV) technologies based on outdoor field measurements. The annual DC performance loss rates ...
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Book
Performance, Modelling and Reliability of Photovoltaic Systems
Georghiou, George E.; Makrides, George; Phinikarides, Alexander (Institution of Engineering and Technology, 2020)This book provides a comprehensive range of topics for monitoring, modelling and assessing the performance of photovoltaic plants, and enabling effective asset management. Using real-world data, the book emphasises practical ...
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Article
Recent advances in failure diagnosis techniques based on performance data analysis for grid-connected photovoltaic systems
Livera, Andreas; Theristis, Marios; Makrides, George; Georghiou, George E. (2019)Over the last decade, research into photovoltaic (PV) technology has shifted from a race for the highest efficiency to the increase of the performance reliability in the field. A major part of current research activities ...
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Conference Object
Residential consumption responsiveness under time-varying pricing
Venizelou, Venizelos; Makrides, George; Efthymiou, Venizelos; Georghiou, George E. (2018)Electricity pricing policy can be an effective instrument for achieving electricity conservation. Time-varying electricity pricing, in particular, can contribute to more efficient utilization of existing production capacity, ...
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Conference Object
Shunt Resistance Relation to Power Loss due to Potential Induced Degradation in Crystalline Photovoltaic Cells
Florides, Michalis; Livera, Andreas; Makrides, George; Georghiou, George E. (2019)Potential Induced Degradation (PID) is expected to become more frequent with the increased system voltage of photovoltaic (PV) systems. Thus, a PID detection method is required to detect PID at an early stage in order to ...
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Conference Object
Smart Metering and time-varying pricing deployment – Cost-Benefit Analysis from a real pilot-implementation
Venizelou, Venizelos; Theocharides, Spyros; Makrides, George; Georgiou, Panikos; Ayiomamitis, Nicholas; Efthymiou, Venizelos; Georghiou, George E. (2018)Electricity networks are undergoing revolutionary changes. The backbone of these changes is a modern electricity distribution system that encompasses smart technologies and services, a smart grid. As with many transformative ...
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Article
Temperature and thermal annealing effects on different photovoltaic technologies
Makrides, George; Zinsser, Bastian; Phinikarides, Alexander; Schubert, Markus; Georghiou, George E. (2012)Abstract The effect of temperature on different grid-connected photovoltaic (PV) technologies installed in Cyprus was analyzed in this study. Initially, the performance losses due to the temperature effect on the annual ...