All Outputs (51)

Multi-objective dynamic system model for the optimal sizing and real-world simulation of grid-connected hybrid photovoltaic-hydrogen (PV-H2) energy systems. (2025)
Journal Article
ATTEYA, A.I., ALI, D. and SELLAMI, N. 2025. Multi-objective dynamic system model for the optimal sizing and real-world simulation of grid-connected hybrid photovoltaic-hydrogen (PV-H2) energy systems. Energies [online], 18(3), article number 578. Available from: https://doi.org/10.3390/en18030578

Hybrid renewable-hydrogen energy systems offer a promising solution for meeting the globe's energy transition and carbon neutrality goals. This paper presents a new multi-objective dynamic system model for the optimal sizing and simulation of hybrid... Read More about Multi-objective dynamic system model for the optimal sizing and real-world simulation of grid-connected hybrid photovoltaic-hydrogen (PV-H2) energy systems..

Design and optimal sizing of a hydrogen uninterruptable power supply (UPS) system for addressing residential power cutoffs. (2025)
Journal Article
ALI, D., STEWART, C., QADIR, K. and JALISI, I. 2025. Design and optimal sizing of a hydrogen uninterruptable power supply (UPS) system for addressing residential power cutoffs. Hydrogen [online], 6(1), article number 3. Available from: https://doi.org/10.3390/hydrogen6010003

Hydrogen (H2) offers a green medium for storing the excess from renewables production instead of dumping it, thus being crucial to decarbonisation efforts. Hydrogen also offers a storage medium for the grid's cheap electricity to be used during grid... Read More about Design and optimal sizing of a hydrogen uninterruptable power supply (UPS) system for addressing residential power cutoffs..

Benchmarking a novel particle swarm optimization dynamic model versus HOMER in optimally sizing grid-integrated hybrid PV–hydrogen energy systems. (2024)
Journal Article
ATTEYA, A.I. and ALI, D. 2024. Benchmarking a novel particle swarm optimization dynamic model versus HOMER in optimally sizing grid-integrated hybrid PV–hydrogen energy systems. Eng [online], 5(4), pages 3239-3258. Available from: https://doi.org/10.3390/eng5040170

This paper presents the development of an Artificial Intelligence (AI)-based integrated dynamic hybrid PV-H2 energy system model together with a reflective comparative analysis of its performance versus that of the commercially available HOMER softwa... Read More about Benchmarking a novel particle swarm optimization dynamic model versus HOMER in optimally sizing grid-integrated hybrid PV–hydrogen energy systems..

The state of the art in hydrogen storage. (2024)
Journal Article
REYNOLDS, J., ALI, D., NJUGUNA, J. and AMADHE, F. 2024. The state of the art in hydrogen storage. Green energy and environmental technology [online], 3(1), pages 1-40. Available from: https://doi.org/10.5772/geet.20240074

The global renewable energy mix is set to change even further with the increasing demand for hydrogen. The production levels are dramatically increasing, and it is becoming prevalent that the storage of hydrogen gas is much more complex than natural... Read More about The state of the art in hydrogen storage..

Towards digitalized and automated substations: implementation of adaptive protection control unit and monitoring system for modern distribution networks under increased hosting capacity of distributed renewable sources. (2024)
Presentation / Conference Contribution
ATTEYA, A.I., EL-ZONKOLY, A., ASHOUR, H.A. and ALI, D. 2025. Towards digitalized and automated substations: implementation of adaptive protection control unit and monitoring system for modern distribution networks under increased hosting capacity of distributed renewable sources. In Proceedings of the 2024 International conference on electricity distribution workshop (CIRED 2024 Vienna workshop), 19-20 June 2024, Vienna, Austria. IET conference proceedings, 2024(5). Stevenage: IET [online], pages 609-616. Available from: https://doi.org/10.1049/icp.2024.2114

Maximizing the hosting capacity of modern distribution networks to accommodate more distributed renewable sources is key driver to realise energy system security and Net-Zero carbon goals. Protection systems under increased share of renewable sources... Read More about Towards digitalized and automated substations: implementation of adaptive protection control unit and monitoring system for modern distribution networks under increased hosting capacity of distributed renewable sources..

Hybrid renewable-hydrogen energy systems and their role in the energy transition. (2024)
Presentation / Conference Contribution
ALI, D. and ATTEYA, A.I. 2024. Hybrid renewable-hydrogen energy systems and their role in the energy transition. Presented at the 2024 Hydrogen accelerator meeting, 22 March 2024, Edinburgh, UK.

Global energy-related CO2 emissions grew by 1.1% in 2023, increasing 410 Mt to reach a new record of 37.4 Gt. Emissions from coal accounted for more than 65% of the increase in 2023. The global shortfall in hydropower generation due to droughts drove... Read More about Hybrid renewable-hydrogen energy systems and their role in the energy transition..

The impacts of the transmission line length in an interconnected micro-grid on its performance and protection at different fault levels. (2024)
Journal Article
KHOSHKALAM, A. and ALI, D. 2024. The impacts of the transmission line length in an interconnected micro-grid on its performance and protection at different fault levels. Green technology, resilience, and sustainability [online], 4, article number 1. Available from: https://doi.org/10.1007/s44173-024-00016-y

Power systems, in recent years, have been experiencing a dynamic rise in the amount of power obtained from distributed renewable energy sources leading to the concept of microgrids to address the distributed power grid integration issues. Microgrids,... Read More about The impacts of the transmission line length in an interconnected micro-grid on its performance and protection at different fault levels..

A comprehensive review on the potential of green hydrogen in empowering the low-carbon economy: development status, ongoing trends and key challenges. (2023)
Journal Article
ATTEYA, A.I., ALI, D., HOSSAIN, M. and SELLAMI, N. 2023. A comprehensive review on the potential of green hydrogen in empowering the low-carbon economy: development status, ongoing trends and key challenges. Green energy and environmental technology [online], 2. Available from: https://doi.org/10.5772/geet.23

Green hydrogen is currently considered a key element for delivering free-carbon energy. This paper provides an extensive assessment of the potential of green hydrogen technology as a pathway to the low-carbon economy while highlighting the major tech... Read More about A comprehensive review on the potential of green hydrogen in empowering the low-carbon economy: development status, ongoing trends and key challenges..

Developing an adaptive protection scheme towards promoting the deployment of distributed renewable sources in modern distribution networks: operational simulation phase. (2023)
Presentation / Conference Contribution
ATTEYA, A.I., EL-ZONKOLY, A., ASHOUR, H.A. and ALI, D. 2023. Developing an adaptive protection scheme towards promoting the deployment of distributed renewable sources in modern distribution networks: operational simulation phase. In Proceedings of the 58th International universities power engineering conference (UPEC 2023), 30 August - 1 September 2023, Dublin, Ireland. Piscataway: IEEE [online], article number 10294344. Available from: https://doi.org/10.1109/UPEC57427.2023.10294344

The large-scale integration of renewables into the electricity grid as distributed generation sources for providing clean energy supply together with the recent introduction of the smart grid concept, have accelerated the need to modernize the existi... Read More about Developing an adaptive protection scheme towards promoting the deployment of distributed renewable sources in modern distribution networks: operational simulation phase..

Precise dynamic modelling of real-world hybrid solar-hydrogen energy systems for grid-connected buildings. (2023)
Journal Article
ATTEYA, A.I., ALI, D. and SELLAMI, N. 2023. Precise dynamic modelling of real-world hybrid solar-hydrogen energy systems for grid-connected buildings. Energies [online], 16(14), article 5449. Available from: https://doi.org/10.3390/en16145449

Hybrid renewable hydrogen energy systems could play a key role in delivering sustainable solutions for enabling the Net Zero ambition; however, the lack of exact computational modelling tools for sizing the integrated system components and simulating... Read More about Precise dynamic modelling of real-world hybrid solar-hydrogen energy systems for grid-connected buildings..

Hydrogen and the energy transition. (2023)
Presentation / Conference Contribution
ALI, D. 2023. Hydrogen and the energy transition. Presented at the 2023 Glasgow Caledonia University (GCU) Capacity building Erasmus+ workshop, 12 July 2023, Sri Lanka.

To justify and know why we need to use Hydrogen the author detailed the emission briefs which showed the emissions from natural gas decreased by 118 Mt in 2022 due to Ukraine war, coal grew to a new all-time high of all-time high of almost 15.5 Gt. E... Read More about Hydrogen and the energy transition..

Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system. (2023)
Journal Article
AL-ALI, H., ALI, D. and ATTEYA, A.I. 2023. Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system. Green energy and environmental technology [online], 2, pages 1-32. Available from: https://doi.org/10.5772/geet.16

Renewable-hydrogen (H2) is a key component in Scotland's decarbonisation plans and its implementation in farming communities can support achieving net-zero goals. HydroGlen, a demonstrative renewable-powered farming community at Glensaugh, is used as... Read More about Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system..

Modelling real-world renewable hydrogen energy systems for enabling Scotland zero-carbon ambition. (2023)
Presentation / Conference Contribution
ATTEYA, A.I. and ALI, D. 2023. Modelling real-world renewable hydrogen energy systems for enabling Scotland zero-carbon ambition. Presented at the 2023 All-energy and dcarbonise conference, 10-11 May 2023, Glasgow, UK.

Hydrogen is described as one of the most indicative scenarios for meeting Scotland Net-Zero carbon ambition set out for 2045. According to the 2021 Scottish Government’s hydrogen policy statement, the target is to invest 5 GW of renewable and low-car... Read More about Modelling real-world renewable hydrogen energy systems for enabling Scotland zero-carbon ambition..

Developing an effective capacity sizing and energy management model for integrated hybrid photovoltaic-hydrogen energy systems within grid-connected buildings. (2022)
Presentation / Conference Contribution
ATTEYA, A.I., ALI, D. and HOSSAIN, M. 2022. Developing an effective capacity sizing and energy management model for integrated hybrid photovoltaic-hydrogen energy systems within grid-connected buildings. In Proceedings of the 11th International conference on Renewable power generation (RPG 2022): meeting net zero carbon, 22-23 September 2022, London, UK: [virtual event]. New York: IET [online], pages 204-212. Available from: https://doi.org/10.1049/icp.2022.1823

The ongoing energy transition has accelerated renewables integration within many sectors requiring addressment of their intermittency challenges. Implementing hydrogen energy storage with renewables is a solution; however, Renewable-Hydrogen hybrid s... Read More about Developing an effective capacity sizing and energy management model for integrated hybrid photovoltaic-hydrogen energy systems within grid-connected buildings..

Developing a capacity sizing and energy management model for a hybrid photovoltaic-hydrogen grid-connected building scenario. (2022)
Presentation / Conference Contribution
ATTEYA, A.I., ALI, D. and HOSSAIN, M. 2022. Developing a capacity sizing and energy management model for a hybrid photovoltaic-hydrogen grid-connected building scenario. Presented at the 2022 All-energy exhibition and conference: low carbon heating and cooling, 11-12 May 2022, Glasgow, UK.

The admission of renewable energy systems into the grid is subject to significant variability due to their intermittency, requiring central generations to cover any transient variation between renewable power input and consumer demand. To allow suppo... Read More about Developing a capacity sizing and energy management model for a hybrid photovoltaic-hydrogen grid-connected building scenario..

Optimization of hydrogen-based zero-carbon building scenario. [Image] (2021)
Digital Artefact
ALI, D. 2021. Optimization of a hydrogen-based zero-carbon building scenario. [Image]. COP'26 UK universities' climate innovation showcase, 1 October - 30 November 2021. Hosted by University of Strathclyde [online]. Available from: https://tinyurl.com/2p83jysj

The image shows the Solar-Hydrogen Hybrid System proposed to feed the energy demands of a grid-connected building/campus to eliminate/reduce the carbon footprint associated with its energy consumption. This innovative system will accordingly contribu... Read More about Optimization of hydrogen-based zero-carbon building scenario. [Image].

Hydrogen producation. (2021)
Presentation / Conference Contribution
ALI, D. 2021. Hydrogen production. Presented at the 2021 H2 round table disscussion: our hydrogen future, 8 June 2021, Torino, Italy: [virtual event].

Hydrogen has an energy density of approximately 120 MJ/kg, almost three times more than diesel or gasoline, while Natural gas has 53.6 MJ/kg. In electrical terms, the energy density of hydrogen is 33.6 kWh/kg versus 12.14 kWh/kg for diesel. Hydrogen... Read More about Hydrogen producation..

RGU role in energy transition. (2020)
Presentation / Conference Contribution
ALI, D. 2023. RGU role in energy transition. Presented at the 1st Robert Gordon University (RGU) Hydrogen-based energy transition webinar: towards a zero-carbon hydrogen-based energy economy 2020, 16 September 2020, [virtual event].

Robert Gordon University is contributing to the UK Energy Transition through delivering up-to-date accredited courses on Energy Transition Technologies to develop the needed skills. They also provide innovative focused solutions for enabling small an... Read More about RGU role in energy transition..

Hydrogen energy storage (2019)
Book Chapter
ALI, D.M.M. 2019. Hydrogen energy storage. In Demirkan, M.T. and Attia, A. (eds.) Energy storage devices. London: IntechOpen [online], chapter 8. Available from: https://doi.org/10.5772/intechopen.88902

The dominating trend of variable renewable energy sources (RES) continues to underpin the early retirement of baseload power generating sources such as coal, nuclear, and natural gas steam generators; however, the need to maintain system reliability... Read More about Hydrogen energy storage.

Solar powered desalination: zero carbon footprint water desalination plants in Qatar. (2017)
Book
ALI, D. and AL SAOUD, N. 2017. Solar powered desalination: zero carbon footprint water desalination plants in Qatar. Chișinău, Moldova: LAP [online]. Available from: https://www.lap-publishing.com/catalog/details/store/gb/book/978-620-2-05340-2/solar-powered-desalination

Environmental challenges include water and energy consumption. The rapid growth in population associated with industrial and agricultural expansion, especially in industrial countries, have resulted into a higher per capita water consumption and glob... Read More about Solar powered desalination: zero carbon footprint water desalination plants in Qatar..