Performance of Superconducting Generators with Different Topologies under Fault Conditions (2019)
Presentation / Conference Contribution
Guan, Y., Vedreno Santos, F., Azar, Z., Thomas, A., Li, G., Odavic, M., & Zhu, Z. (2018, April). Performance of Superconducting Generators with Different Topologies under Fault Conditions. Presented at The 9th International Conference on Power Electronics, Machines and Drives (PEMD 2018), Liverpool, UK

This paper compares the short-circuit performance of superconducting (SC) generators with three different topologies, i.e., iron-cored stator and rotor, iron-cored stator and air-cored rotor, and air-cored stator and rotor. The analysis is based on t... Read More about Performance of Superconducting Generators with Different Topologies under Fault Conditions.

Different options for multi‐rotor wind turbine grid connection (2019)
Presentation / Conference Contribution
Givaki, K. (2018, April). Different options for multi‐rotor wind turbine grid connection. Presented at The 9th International Conference on Power Electronics, Machines and Drives, Liverpool, UK

In this paper, different options for integration of the multi-rotor wind turbine concept is investigated. The intra-turbine collection network of the multi-rotor wind turbine can be designed in either AC or DC. The reliability and costs associated wi... Read More about Different options for multi‐rotor wind turbine grid connection.

Microgrids As A Service for Rural Electrification in Sub-Saharan Africa. (2019)
Journal Article
Liu, Q., Kamoto, K. M., & Liu, X. (2020). Microgrids As A Service for Rural Electrification in Sub-Saharan Africa. Computers, Materials & Continua, 63(3), 1249-1261. https://doi.org/10.32604/cmc.2020.05598

The majority of the population on the African continent is unable to access basic electricity services, this despite the abundance of renewable energy sources (RESs). The inability to adequately tap into these RESs has led to the continued dependence... Read More about Microgrids As A Service for Rural Electrification in Sub-Saharan Africa..

An Alternative Current-Error Based Control for VSC Integration to Weak Grid (2018)
Presentation / Conference Contribution
Givaki, K., Chen, D., Xu, L., & Xu, Y. (2018, August). An Alternative Current-Error Based Control for VSC Integration to Weak Grid. Presented at 2018 IEEE PES General Meeting, Portland, OR, USA

An enhanced current control strategy is proposed for voltage source converters for the integration to weak grids. The
control derives from the current-error based vector control. By implementing simple close-loop compensations of both angle and magn... Read More about An Alternative Current-Error Based Control for VSC Integration to Weak Grid.

Analysis of integration of multi‐terminal HVDC network to weak grids (2018)
Presentation / Conference Contribution
Givaki, K., Rahman, M. H., Vozikis, D., & Giveki, A. (2018, June). Analysis of integration of multi‐terminal HVDC network to weak grids. Presented at 14th IET International Conference on AC and DC Power Transmission, Chengdu, China

In this paper, the integration of multi-terminal HVDC systems to weak power grids is analysed under different grid strengths and control methods. In this paper, a modular multi-level converter based MTDC network is considered. The analysis showed the... Read More about Analysis of integration of multi‐terminal HVDC network to weak grids.

A case study of PV output power degradation rates in Oman. (2018)
Journal Article
Honnurvali, M., Gupta, N., Goh, K., Umar, T., & Nazeema, N. (2019). A case study of PV output power degradation rates in Oman. IET Renewable Power Generation, 13(2), 352-360. https://doi.org/10.1049/iet-rpg.2018.5457

To meet the increase in peak electricity demand and to reduce fossil fuel emissions in Oman and as an initiative taken by the government, by 2030, 15% (3000 MW) of the total energy mix (20,000 MW) should be generated from renewable energy resources l... Read More about A case study of PV output power degradation rates in Oman..

Analysis of integration of multi-terminal HVDC network to weak grids. (2018)
Presentation / Conference Contribution
Givaki, K., Rahman, M. H., Vozikis, D., & Giveki, A. (2018, June). Analysis of integration of multi-terminal HVDC network to weak grids. Paper presented at The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018)

In this paper, the integration of multi-terminal HVDC systems to weak power grids is analysed under different grid strengths and control methods. In this paper, a modular multi-level converter based MTDC network is considered. The analysis showed the... Read More about Analysis of integration of multi-terminal HVDC network to weak grids..

Novel thermal management system using mist cooling for lithium-ion battery packs (2018)
Journal Article
Saw, L. H., Poon, H. M., Thiam, H. S., Cai, Z., Chong, W. T., Pambudi, N. A., & King, Y. J. (2018). Novel thermal management system using mist cooling for lithium-ion battery packs. Applied Energy, 223, 146-158. https://doi.org/10.1016/j.apenergy.2018.04.042

Thermal management system is crucial for a Lithium-ion battery pack as cycle life, driving range of electric vehicle, usable capacity and safety are heavily dependent on the operating temperature. Optimum operating temperature of Lithium-ion battery... Read More about Novel thermal management system using mist cooling for lithium-ion battery packs.

Current Error Based Compensations for VSC Current Control in Weak Grid for Wind Farm Applications (2018)
Journal Article
Givaki, K., Chen, D., & Xu, L. (2019). Current Error Based Compensations for VSC Current Control in Weak Grid for Wind Farm Applications. IEEE Transactions on Sustainable Energy, 10(1), 26-35. https://doi.org/10.1109/tste.2018.2820386

A novel current control strategy is proposed for voltage source converter connecting to weak grid using conventional current vector control with additional current error based voltage angle and magnitude compensations. For connecting to very weak AC... Read More about Current Error Based Compensations for VSC Current Control in Weak Grid for Wind Farm Applications.

Stability studies of different AC collection network topologies in wind farms (2017)
Presentation / Conference Contribution
Givaki, K., Chen, D., & Anaya-Lara, O. (2016, September). Stability studies of different AC collection network topologies in wind farms. Presented at Renewable Power Generation (RPG) 2016, 5th IET International Conference on

In this paper, the stability of different wind farm collection network topologies have been studied. As the wind farm becomes larger, the inter-array network becomes larger so that the impedance of overall system is increased. This means that the int... Read More about Stability studies of different AC collection network topologies in wind farms.

Design considerations for high-power converters interfacing 10 MW superconducting wind power generators (2017)
Journal Article
Vedreño Santos, F., Odavic, M., Guan, Y., Azar, Z., Thomas, A., Li, G.-J., & Zhu, Z. (2017). Design considerations for high-power converters interfacing 10 MW superconducting wind power generators. IET Power Electronics, 10(12), 1461-1467. https://doi.org/10.1049/iet-pel.2016.0512

The design of power electronic converters for the integration of wind generated power into the grid is more and more important due to a new class of Superconducting Generators (SG) with power ratings of up to 20 MW. High efficiency of power converter... Read More about Design considerations for high-power converters interfacing 10 MW superconducting wind power generators.

Cellulose as a Pore Former in Electroless Co-Deposited Anodes for Solid Oxide Fuel Cells (2016)
Presentation / Conference Contribution
Turnbull, R., Davidson, A., Shearer, N., & Wilson, C. (2016, July). Cellulose as a Pore Former in Electroless Co-Deposited Anodes for Solid Oxide Fuel Cells. Presented at 12th EUROPEAN SOFC & SOE FORUM

A study was conducted to investigate the feasibility of cellulose as a pore former in the manufacture of Solid Oxide Fuel Cell (SOFC) anodes using Electroless Co-Deposition (ECD). Previous work into the use of ECD to produce SOFC anodes has found tha... Read More about Cellulose as a Pore Former in Electroless Co-Deposited Anodes for Solid Oxide Fuel Cells.

Stability Analysis of Large Wind Farms Connected to Weak AC Networks Incorporating PLL Dynamics (2016)
Presentation / Conference Contribution
Givaki, K., & Xu, L. (2015, October). Stability Analysis of Large Wind Farms Connected to Weak AC Networks Incorporating PLL Dynamics. Presented at International Conference on Renewable Power Generation (RPG 2015)

Voltage source converter interfaced wind turbines connected to weak grids can induce system instability. A state space model is used in this paper to study the stability of large wind farms. Dynamics of the phase locked loop is integrated to the stat... Read More about Stability Analysis of Large Wind Farms Connected to Weak AC Networks Incorporating PLL Dynamics.

Manufacture of solid oxide fuel cells using electroless c0deposition - a review of work carried out at Edinburgh Napier University. (2015)
Presentation / Conference Contribution
Davidson, A., Wilson, C., & Shearer, N. (2015, July). Manufacture of solid oxide fuel cells using electroless c0deposition - a review of work carried out at Edinburgh Napier University. Paper presented at ECS COnference on Electrochemical Energy Conversion & Storage with SOFC_XIV

This paper reviews work carried out at Edinburgh Napier University on the manufacture of anodes and cathodes for solid oxide fuel cells (SOFCs) using electroless co-deposition of nickel and ceramic powders. Most of the work has been focused on anodes... Read More about Manufacture of solid oxide fuel cells using electroless c0deposition - a review of work carried out at Edinburgh Napier University..

Processing and Characterisation of Tubular Solid Oxide Fuel Cell (SOFC) Cathodes using a Novel Manufacturing Technique (2015)
Thesis
Wang, D. Processing and Characterisation of Tubular Solid Oxide Fuel Cell (SOFC) Cathodes using a Novel Manufacturing Technique. (Thesis). Edinburgh Napier University. http://researchrepository.napier.ac.uk/id/eprint/9168

This thesis investigates a novel method for manufacturing a tubular solid oxide fuel cell cathode. The work involved depositing a lanthanum nickel ferrite / lanthanum strontium manganite cathode onto an yttria stabilized zirconia electrolyte using an... Read More about Processing and Characterisation of Tubular Solid Oxide Fuel Cell (SOFC) Cathodes using a Novel Manufacturing Technique.

Smart design of stand-alone Solar PV system for off-grid electrification projects. (2014)
Book Chapter
Mohanty, P., & Muneer, T. (2014). Smart design of stand-alone Solar PV system for off-grid electrification projects. In S. C. Bhattacharyya, & D. Palit (Eds.), Mini-Grids for Rural Electrification of Developing Countries: Analysis and Case Studies from South Asia (63-93). Springer International Publishing. https://doi.org/10.1007/978-3-319-04816-1_4

Solar PV has seen a remarkable growth across the globe with the total PV installation now exceeding several gigawatts (GW). The technology has the versatility and flexibility for designing systems in different regions, especially in remote rural area... Read More about Smart design of stand-alone Solar PV system for off-grid electrification projects..

Estimation of the power electronic converter lifetime in fully rated converter wind turbine for onshore and offshore wind farms (2014)
Presentation / Conference Contribution
Givaki, K., Jamieson, P., & Parker, M. (2014, April). Estimation of the power electronic converter lifetime in fully rated converter wind turbine for onshore and offshore wind farms. Presented at 7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014)

A comparison has been made of the converter lifetime for a 3MW fully rated converter horizontal axis wind turbine located onshore and offshore. Simulated torque and speed of the turbine shaft were used to calculate voltage and current time series, th... Read More about Estimation of the power electronic converter lifetime in fully rated converter wind turbine for onshore and offshore wind farms.

Optimisation of electroless co-deposited solid oxide fuel cell electrodes (2013)
Thesis
Nwosu, N. O. E. Optimisation of electroless co-deposited solid oxide fuel cell electrodes. (Thesis). Edinburgh Napier University. http://researchrepository.napier.ac.uk/id/eprint/6448

Research already carried out on the use of the recently patented electroless nickel ceramic codeposition technique as a method of manufacturing solid oxide fuel cell (SOFC) electrodes has thus far indicated that, while functional electrodes can be ma... Read More about Optimisation of electroless co-deposited solid oxide fuel cell electrodes.

Performance monitoring and modelling of micro-, midi- and macro-wind turbines (2011)
Thesis
Makkawi, A. Performance monitoring and modelling of micro-, midi- and macro-wind turbines. (Thesis). Edinburgh Napier University. http://researchrepository.napier.ac.uk/id/eprint/6040

This thesis investigates the potential of using wind turbine to offset electricity demand for dwellings or public building. This work involves onshore small and large wind turbine implementation considering the suitability of the location to machine... Read More about Performance monitoring and modelling of micro-, midi- and macro-wind turbines.

Wind resource assessment in the Edinburgh region (2009)
Presentation / Conference Contribution
Irshad, W., Goh, K., & Kubie, J. (2009, September). Wind resource assessment in the Edinburgh region. Presented at 2009 World Non-Grid-Connected Wind Power and Energy Conference, Nanjing, China

In recent years, a growing number of manufacturers have produced small wind turbines that are suitable for utilization of wind energy by individual householders or small businesses. These small wind turbine systems are unavoidably installed close to... Read More about Wind resource assessment in the Edinburgh region.