Biography: Professor Om P. Malik has done pioneering work in the development of controllers for application in electric power systems and wind power generation over the past 45 years. After extensive testing, the adaptive controllers developed by his group are now employed on large generating units. His other interests include digital protection, control of renewable power generation and micro-grids, and AI applications in power system control. He has published over 700 papers including over 360 papers in international Journals and is the coauthor of two books. Professor Malik graduated in 1952 from Delhi Polytechnic. After working for nine years in electric utilities in India, he obtained a Master’s Degree from Roorkee University in 1962, a Ph.D. from London University and a DIC from the Imperial College, London in 1965. He was teaching and doing research in Canada from 1966 to 1997 and continues to do research as Professor Emeritus at the University of Calgary. Over 100, including 45 Ph.D., students have graduated under his supervision. Professor Malik is a Life Fellow of IEEE, and a Fellow of IET, the Engineering Institute of Canada, Canadian Academy of Engineering, Engineers Canada and World Innovation Foundation. He is a registered Professional Engineer in the Provinces of Alberta and Ontario, Canada, and has received many awards. He was Director, IEEE Region 7 and President, IEEE Canada during 2010-11 and President, Engineering Institute of Canada, 2014-2016.
Title of Speech: Evolution of Power systems as Smarter Grids: Role of Control and Automation
Abstract: The role of electricity as all pervasive in the world today has been accomplished by continued developments in power systems over the past more than 135 years. Although power systems engineers have always kept pace by embracing new enabling technologies as they developed, recently there has been a trend to classify the new developments under the umbrella of ‘smart grid’. Smart grid embraces the entire power system and is another step in the continuing effort to make the grid smarter. A brief introduction of the past and present status of the power systems is given. Integration of advanced communications, information and other enabling technologies, and advanced control is the way forward in the evolution of future power systems into smarter grids.
Biography: Bikash Pal is a Professor of Power Systems at Imperial College London (ICL). He is research active in power system stability, control, and estimation. He led UK-China research consortium project on grid scale storage: Stability and Control of Power Networks with Energy Storage, He also led the UK side of UK-India smart grid research consortium project, Reliable and Efficient System for Community Energy Solution – RESCUES. His research is conducted in strategic partnership with ABB, GE Grid Solutions, UK, and National Grid, UK. UK Power Networks. He has worked with National Grid on a wind farm and series compensator interaction project. ALSTOM and GE commissioned sequel of projects with him to analyse and solve wind farm HVDC grid interaction problems (2013-present). Prof Pal was the chief technical consultant for a panel of experts appointed by the UNFCCC CDM (United Nations Framework Convention on Climate Change Clean Development Mechanism). Norwegian Grid Operator STATNET has consulted him for a technical study on Offshore HVDC grid development in the North Sea. He has offered trainings in Chile, Qatar, UAE, Malaysia and India in power system protections, stability and control topics. He has developed and validated a prize winning 68-bus power system model, which now forms a part of IEEE Benchmark Systems as a standard for researchers to validate their innovations in stability analysis and control design. Prof. Pal chairs an IEEE Working Group in state estimation for power distribution applications. He was the Editor-in-Chief of IEEE Transactions on Sustainable Energy (2012-2017). He is IEEE Periodical Committee member and effective from 2019 also Vice President, PES Publications. In 2016, his research team won the President’s outstanding research team award at Imperial College London (ICL). He is Fellow of IEEE for his contribution to power system stability and control. He is an IEEE Distinguished Lecturer in Power distribution system estimation and control. He was Editor-in-Chief of IET Generation, Transmission and Distribution (2005-2012). He has published about 100 papers in IEEE Transactions and IET journals. Two of his papers in power system stability and control topics have received annual best journal paper award. He has co-authored three books and two award winning IEEE Task Force/Working Group reports. He was Mercator Professor sponsored by German Research Foundation (DFG) at University of Duisburg-Essen in 2011. He was faculty at IIT Kanpur, India. He holds a Visiting Professorship at Tsinghua University, China.
Title of Speech: Dynamic Modeling for Analysis of Wind Farm and Grid Interaction
Abstract: Electrical generation, transmission and distribution systems all over the world have entered a period of significant renewal and technological change. There have been phenomenal changes/deployments in technology of generation driven by the worldwide emphasis on energy from wind and solar as a sustainable solution to our energy need. Increasingly energy demand from heating and transportation will be met by electricity. So, to accommodate changes in either end the transmission grid is required to operate in more responsive manner. This is the most credible challenge in smart transmission grid operation today. Some of the recent wind farm operations have grabbed media headlines of not being connectable to the grid. While the debate is on whether it is the wind farm or the grid is the cause, the balance of the debate is shifting towards the integration and control aspect of these two technologies.
This keynote will briefly mention the recent major problems in connecting big wind farms to the grid. It will then identify few possible specific technical reasons supported by the general technical insights gathered from detailed technical study conducted at Bikash Pal’s research group at Imperial College London. Future research challenges and opportunities will be highlighted.
Biography: Belkacem OULD BOUAMAMA ( https://wikis.univ-lille1.fr/ci2s/membres/belkacem-ould-bouamama) is full Professor, and head of international relations and research at « Ecole Polytechnique Universitaire de Lille, France » He is the leader of Bond Graph group at the CRIStAL (Research Center in Computer Science, Signal and Automatic Control of Lille), Laboratory of the National Center for Scientific Research, where his activities concern Integrated Design for Supervision of System Engineering. Their application domains are mainly process engineering, renewable energies, and mechatronic systems. He is the author or coauthor of over 100 international publications in this domain and co-author of four books in Fault Detection and Isolation, mechatronics and bond graph modeling.
Title of Speech: Supervision of Multi-Sources Renewable Energy Systems: Event Driven Hybrid Bond Graph approach
Abstract: Solar and wind energies, as the most abundant energy sources, represent sustainable clean alternatives to confront the increasing climate change and pollution problem. However, regardless of their long-term sustainability, these sources are not permanently available nor stable. As an interesting energy carrier, green hydrogen, if used as a parallel energy storage, represents a suitable solution for long term and large-scale storage. The produced hydrogen can be stored to then regenerate electricity. Combined with multiple renewable energy sources, the electrolysis and the Fuel Cell represent interesting energy storage solution. They couple electricity, as the most common energy form, with hydrogen, as zero-emissions flexible energy storage to form an Hybrid Renewable Energy Systems (HRES).
From dynamical and control point of view, some units (such as the wind turbine, electrolyser, fuel cell and utility grid...) introduce different operating modes. Indeed, they need to be disconnected and reconnected to the power system according to different operating conditions and protection measures. Because of this dual (discrete and continuous) dynamical aspect, intermittence and multiphysic aspect of energy sources, such system is very difficult to modelize for optimal operating modes control management and diagnosis.
The plenary presentation exposes a review of multisources system control and proposes a generic tool named Event-Driven Hybrid Bond Graph (EDHBG) as an integrated tool not only for dynamic modelling but also for supervision including Fault Detection and Isolation and fault tolerant control in degraded modes. The developed methodology is illustrated by a real application represented by a multisources system which consists of solar photovoltaic panels and wind turbine coupled with an electrolyser to produce green hydrogen feeding a Fuel Cell.
Biography: Graduated in Mining Engineering from the University of Oviedo (Spain) in 1976, PhD from the University of Oviedo (Spain) in 1981. Specialized in Mining Geology at the Paris School of Mines in 1981-1982. Professor of Mining and Environmental Exploration at the Oviedo School of Mines of the University of Oviedo (Spain). Visiting Professor in the University of California at Berkeley in 1987/88, in La Rioja and San Juan Universities (Argentina) in 1997 and 1999, in the University of Piura (Peru) in 1998 and 1999, in the Academy of Mines and Metallurgy of Cracow in 1992, and in the University of Sofía (Bulgaria) in 1993. Coordinator of National and International Research Projects focussed in mine water (CAMINAR, ERMITE, PIRAMID, TRANSCAT, ERBLASEN, CENIT-CO2, GEOCIMA, …. ). Author of papers in specialized magazins and ponent in international conferences in the area of mine water. Currently is member of the Executive Committee Council of the International Mine water Association.
Title of Speech: Numerical Modelling of Subsurface Water Reservoirs during the Operation Phase in Underground Pumped Storage Hydropower Plants
Abstract: Underground pumped storage hydropower (UPSH) plants may be an alternative to store subsurface energy with lower environmental impacts than conventional pumped storage hydropower (PSH) plants. Network of tunnels in closed mines (i.e. coal mines) could be used as water lower reservoir of UPSH plants. The amount of storable energy depends on the water mass and the net head between upper and lower reservoirs. Depending on the direction of the water flow rate, pumping or turbine modes may be used to produce or consume electrical energy. Filling and emptying processes during the operation stage in the underground reservoir are complicated due to the presence of two fluids (water and air) interacting inside the network of tunnels. This paper explores the underground reservoir during the operation stage considering a water flow rate of 55 m3s-1. Two-phase three dimensional CFD numerical models using Ansys Fluent have been developed in order to know the behaviour of the air flow on tunnels and ventilation shaft. Static pressure and air velocity have been analyzed in the simulations at the exit of the ventilation shaft as well as the junction zone between the ventilation shaft and the tunnels network. The results obtained show that a static pressure up to 8,600 Pa and air velocities up to 80 m s-1 could be reached in turbine mode considering a vent shaft with 1 m in diameter. The static pressure increases up to 258,000 Pa if a ventilation shaft of 0.5 m in diameter is considered.
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