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Melo, André Felipe Silva (author), Riquelme-Dominguez, Jose Miguel (author), Gonzalez-Longatt, Francisco (author), Rueda, José L. (author), Palensky, P. (author)Using Ethernet networks and communication protocols for protection applications requires protection engineers to understand different tools and technologies. This paper presents an investigation focused on clarifying the process bus-related concepts considering some relevant hardware, software, and protocol implementation aspects that may lead...conference paper 2022
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Vit Suntar, Jan (author), Rueda, José L. (author), Stefanov, Alexandru (author), Kruimer, Bas (author), Berenschot, Coen (author), Prka, Lino (author)A large contribution to the total share of electricity generated in European power grid will come from renewable sources of energy soon due to European initiative to become carbon neutral. Renewable Energy Sources (RES) are connected to the grid with Power Electronic (PE) devices, which, if not modelled correctly, provide low confidence in...conference paper 2022
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Tricarico, Gioacchino (author), Wagle, Raju (author), Azuara-Grande, Luis Santiago (author), Gonzalez-Longatt, Francisco (author), Dicorato, Maria (author), Forte, Giuseppe (author), Rueda, José L. (author)The dispatch schedule of the electrical power plant units is the result of the solution to the unit commitment optimisation problem, and it minimises the cost of production considering pre-defined technical limits. The security-constrained unit commitment problem has been defined as including the network constraints in the previously mentioned...conference paper 2022
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Boricic, Aleksandar (author), Rueda, José L. (author), Popov, M. (author)To facilitate the increasing penetration of inverter-based resources, understanding and evaluating system strength becomes one of the central questions for the resilient operation of power systems. However, this is a very challenging and nuanced task, currently without a clear consensus in the industry and academia. This paper provides a...conference paper 2022
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Tricarico, Gioacchino (author), Wagle, Raju (author), Dicorato, Maria (author), Forte, Giuseppe (author), Gonzalez-Longatt, Francisco (author), Rueda, José L. (author)The increasing penetration of renewable energy resources (RES) in transmission system operating conditions require a suitable test system and a dataset to cope with current issues. RES penetration remarkably affects day-ahead market outcomes regarding zonal prices and dispatched generation levels. For this purpose, zonal day-ahead energy market...conference paper 2022
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Sirige, S.S.B. (author), Blaauwbroek, Niels (author), Rueda, José L. (author), Palensky, P. (author), Lekić, A. (author)The ongoing energy transition introduces new load and generation units like photovoltaic generation in the medium-voltage systems network. These generation units increase the variance of the power injections, resulting in increased stochasticity of the power flow values. For confident assessment of the system’s operating condition, a measurement...conference paper 2021
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Adiyabazar, Choidorj (author), Gonzalez-Longatt, F. (author), Acosta, Martha N. (author), Rueda, José L. (author), Bolor, Erkhemzaya (author)Mongolian power grid (MPG) is becoming more eco-friendly as the power system is continuously integrating renewable energy, which reached 20% of the total installed capacity of Mongolia in 2020. The daily operation and the safety of the MPG have become very challenging because of increased levels of energy in the system. Therefore, the dynamic...conference paper 2021
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Habibullah, Mohammad (author), Gonzalez-Longatt, Francisco (author), Acosta Montalvo, Martha N. (author), Chamorro, Harold R. (author), Rueda, José L. (author), Palensky, P. (author)Power electronic converter (PEC) is an enabling technology for the energy transition, but the massive integration of PEC raises several issues. The use of Voltage source converters (VSCs) enabled with grid forming control offer a long-term solution of PEC-dominated power systems. This paper shows a glance of the dynamic performance during short...conference paper 2021
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Gonzalez-Longatt, Francisco (author), Rueda, José L. (author), Palensky, P. (author), Chamorro, Harold R. (author), Sood, Vijay K. (author)Inverter based generation (IBG) is a necessary technology in the energy transition and reaching ambitious objectives of zero-net emission. However, the colossal penetration of IBG may create several issues. Using Voltage source converters (VSCs) equipped with the so-called grid forming control is thought of as a long-term solution of IBG...conference paper 2021
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Zhang, C. (author), Rakhshani, E. (author), Veerakumar, Nidarshan (author), Rueda, José L. (author), Palensky, P. (author), Gonzalez-Longatt, F. (author)The frequency stability of the power system is challenged by the high penetration of power electronic interfaced renewable energy sources (RES). Energy storage systems (ESS) are used to supply extra power injection to enhance the frequency stability during a disturbance. This paper presents a novel approach for improving the frequency dynamics...conference paper 2021
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Ramasamy, Suganthi (author), Ahmad, Z. (author), Bindu, Yerra (author), Rueda, José L. (author)This study investigates the reactive power generation capability of the existing transformerless Photovoltaic Inverter Topologies (PVIT) with their conventional switching strategies. The topologies such as H5, families of H6 (H6, H6-I, H6-II, H6-III and H6-IV), HERIC, and clamped topologies (optimized H5, passive clamped H6 and HBZVR) have been...conference paper 2020
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Ahmad, Z. (author), Papadakis, Stelios (author), Perilla Guerra, A.D. (author), Rueda, José L. (author), van der Meijden, M.A.M.M. (author)Traditionally, electrical power systems have been based on fossil-fuel fired generation plants to satisfy the load demand. However, due to environmental targets for significant CO2 reduction, a gradual decommission of the aforementioned plants is observed whereas renewable energy sources are gaining gradually increasing momentum, which entails...conference paper 2020
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Perilla Guerra, A.D. (author), Gusain, D. (author), Rueda, José L. (author), Palensky, P. (author), van der Meijden, M.A.M.M. (author), Gonzalez-Longatt, F. (author)Coping with severe active power imbalances constitutes a challenging task in low inertia multi-energy systems. The phase out of the majority of conventional power plants with large size synchronous generators entails that power electronic interfaced devices should take over the primary task of active power balance-frequency control. In view of...conference paper 2020
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Adiyabazar, C. (author), Gonzalez-Longatt, F. (author), Acosta, M. N. (author), Rueda, José L. (author), Palensky, P. (author)This paper investigates the positive changes in the system frequency response indicators caused by the implementation of a set of optimal settings of an under-frequency load shedding (UFLS) scheme. The optimal UFLS scheme is optimised by minimising the total amount of load shedding and considering the recovery process of the system frequency...conference paper 2020
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Ersdal, A. M. (author), Gonzalez-Longatt, F. (author), Acosta, M. N. (author), Rueda, José L. (author), Palensky, P. (author)Modern power systems are increasing the connection of power electronic converters (PECs), and new inertia-less technologies displace the synchronous generation units. Therefore, the total rotational system inertia is reduced, creating new problems related to the system frequency control and stability. Several mechanisms to enable the PECs with...conference paper 2020
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Acosta, Martha N. (author), Andrade, Manuel A. (author), Sanchez, Francisco (author), Gonzalez-Longatt, Francisco (author), Rueda, José L. (author)This paper presents a descriptive statistical analysis (DSA) of time-series of electro-mechanical quantities related to the frequency control (e.g. kinetic energy (KE), electrical frequency and power demand) of the Nordic power system (NPS). The idea of the DSA is to identify main observables features and patterns between these variables....conference paper 2020
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Papadakis, Stelios (author), Perilla Guerra, A.D. (author), Rueda, José L. (author), Ahmad, Z. (author), van der Meijden, M.A.M.M. (author)Power System Stability is a major domain of renewed interest for electrical power system researchers worldwide. Among the different stability classification domains, large disturbance rotor angle (transient) stability studies are of high concern due to the decommissioning of conventional power plants which leads to a dramatic decrease of inertia...conference paper 2020
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Naveh, Iman Mohammad Hosseini (author), Rakhshani, E. (author), Mehrjerdi, Hasan (author), Rueda, José L. (author), Palensky, P. (author)A new application of Multivariable Proportional-Integral (MPI) controller with using evolutionary algorithms for a VSP based AC/DC interconnected power system model is proposed. The VSP based HVDC model is added for mitigation of system frequency dynamics by emulating virtual inertia. The designed heuristic-based multivariable PI controller is...conference paper 2020
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Rakhshani, E. (author), Naveh, Iman Mohammad Hosseini (author), Mehrjerdi, Hasan (author), Rueda, José L. (author), Palensky, P. (author)This paper proposes a new application for an optimal linear regulator for mitigation of frequency performance of an interconnected AC/DC system with (Virtual Synchronous Power) VSP based HVDC capabilities. The action of VSP, which is added into the HVDC control system, is to provide virtual inertia for the low-inertia system during a...conference paper 2020
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Sewdien, V.N. (author), Rueda, José L. (author)This paper assesses the suitability of the phase imbalance concept as an alternative approach for series compensating a transmission line, with the goal to eliminate adverse subsynchronous interactions between a DFIG and the transmission system. The performance of this concept, under a predefined degree of asymmetry, is compared with the...conference paper 2020