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Failure anticipation scheme in distribution systems based on wave distortions and Montecarlo methodsBhandia, R. (author), de Jesus Chavez, Jose (author), Cvetkovic, M. (author), Garcia-Vite, Pedro M. (author), Popov, M. (author), Palensky, P. (author)Anticipating failures is vital for maintaining a reliable power supply. Advanced measurement devices in the grid generate vast data that contains valuable information on grid operations. Initial signatures of an incipient failure are often reflected in this data in the form of electrical waveform distortions. Conventional protection schemes are...review 2024
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Sanchez Jimenez, I.J. (author), Ribo-Perez, D.G. (author), Cvetkovic, M. (author), Kochems, J. (author), Schimeczek, C. (author), De Vries, Laurens (author)Future power systems, in which generation will come almost entirely from variable Renewable Energy Sources (vRES), will be characterized by weather-driven supply and flexible demand. In a simulation of the future Dutch power system, we analyze whether there are sufficient incentives for market-driven investors to provide a sufficient level of...journal article 2024
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Palensky, P. (author), Mancarella, Pierluigi (author), Hardy, Trevor (author), Cvetkovic, M. (author)Energy system integration promises in-creased resiliency and the unlocking of synergies, while also contributing to our goal of decarbonization. It is enabled by both old and new technologies, glued together with data and digital services. Hydrolyzers, heat pumps, distributed renewable generation, smart buildings, and the digital grid edge...journal article 2024
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Wu, J. (author), Li, S. (author), Fu, A. (author), Cvetkovic, M. (author), Palensky, P. (author), Vasquez, Juan C. (author), Guerrero, Josep M. (author)The increasing proportion of renewable energy introduces both long-term and short-term uncertainty to power systems, which restricts the implementation of energy management systems (EMSs) with high dependency on accurate prediction techniques. A hierarchical online EMS (HEMS) is proposed in this paper to economically operate the Hybrid...journal article 2024
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Malamaki, Kyriaki-Nefeli D. (author), Fu, A. (author), Mauricio, Juan Manuel (author), Cvetkovic, M. (author), Demoulias, Charis S. (author)As the penetration of Converter-Interfaced Dis-tributed Renewable Energy Sources (CI-DRES) increases, several problems are revealed in electric power systems, e.g., power quality issues, reverse power flows and frequency instability. A solution to tackle these issues is the mitigation of high CI-DRES active power ramp-rates (RRs) by utilizing...conference paper 2023
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Fu, A. (author), Saini, Raghav (author), Koornneef, R.N. (author), van der Meer, A.A. (author), Palensky, P. (author), Cvetkovic, M. (author)This paper introduces a flexible and extendable easy-to-use energy system integration development kit: the Illuminator. The Illuminator illustrates challenges arising from the energy transition. Hence, it is suitable in education and for demonstration. It also acts as a sandbox for testing new research concepts, and particularly, distributed...conference paper 2023
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Wu, Jingxuan (author), Li, Shuting (author), Gui, Yonghao (author), Cvetkovic, M. (author), Vasquez, Juan C. (author), Guerrero, Josep M. (author)A fuzzy logic based online energy management system (FLEMS) is designed in this paper to achieve the optimal electricity cost in a residential Microgrid (MG). The proposed FLEMS is combined by a local energy price model (LEPM) and a fuzzy-logic strategy. The LEPM will preprocess the sampling data to estimate the electricity market and local MG...conference paper 2023
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Fu, A. (author), Lekić, A. (author), Kontis, Eleftherios O. (author), Malamaki, Kyriaki-Nefeli D. (author), Kryonidis, Georgios C. (author), Mauricio, Juan Manuel (author), Demoulias, Charis S. (author), Cvetkovic, M. (author)This paper deals with a systematic assessment of the power system frequency dynamics under high penetration of converter-interfaced renewable energy sources (CI-RESs). Specifically, the concept of the virtual synchronous generator (VSG) is implemented in the CI-RESs located at the transmission system (TS) side and/or the distribution network (DN...conference paper 2023
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Bielefeld, S.E. (author), Cvetkovic, M. (author), Ramirez, Andrea (author)Electrification of processes and utilities is considered a promising option towards the reduction of greenhouse gas emissions from the chemical industry. Therefore, electricity demand is expected to increase steeply. Since the sources of future low-carbon electricity are variable in nature, there is a need for strategies to match availability...journal article 2023
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Yue, Z. (author), Loweimi, Erfan (author), Cvetkovic, Zoran (author)In this paper, we explore the effectiveness of deploying the raw phase and magnitude spectra for dysarthric speech recognition, detection and classification. In particular, we scrutinise the usefulness of various raw phase-based representations along with their combinations with the raw magnitude spectrum and filterbank features. We employed...journal article 2023
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Gusain, D. (author), Cvetkovic, M. (author), Palensky, P. (author)The traditional methodology for conducting technical assessments of multi-energy systems involved using domain-specific modeling tools to focus on the energy sector of interest, while making simplifying assumptions about any coupled energy sector. This was acceptable since the interactions between energy domains were minimal. However, with...journal article 2022
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Zomerdijk, W. (author), Gusain, D. (author), Palensky, P. (author), Cvetkovic, M. (author)A numerical model of a power system can be used to get accurate insights into the impact of policies and investment decisions regarding the transformation of the energy system, while also helping in identifying bottlenecks in implementing decisions. Spatial aggregation, especially for generation and load, must be carefully approached to obtain...conference paper 2022
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Gusain, D. (author), Cvetkovic, M. (author), Yağci, Bekir Caner (author), Palensky, P. (author)Power-to-X (PtX) technologies are accelerating the energy transition. Increasingly, these technologies are also being leveraged as flexible energy resources to support the electrical grid. PtX models are often represented using a constant efficiency term as a linear relation between the power input and energy output. However, the operational...conference paper 2022
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Fu, A. (author), Cvetkovic, M. (author), Palensky, P. (author)As the penetration of distributed energy resources (DERs) increases significantly in the distribution networks, their integration reshapes distribution system power flows and leads to serious voltage quality problems in distribution networks. In this paper, a novel distributed cooperation voltage regulation method is proposed for future...journal article 2022
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Gusain, D. (author), Cvetkovic, M. (author), Palensky, P. (author)Flexibility will be required as more renewable generation is integrated in the power system. Therefore, entities such as Flexibility Service Providers (FSPs) have emerged who can control a diverse set of resources in their portfolio to provide requested flexibility. An accurate and reliable assessment of the amount of dispatchable flexibility in...journal article 2021
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Oureilidis, Konstantinos (author), Malamaki, Kyriaki-Nefeli (author), Gkavanoudis, Spyros (author), Cvetkovic, M. (author), Mauricio, Juan Manuel (author), Maza Ortega, Jose Maria (author), Martinez Ramos, Jose Luis (author), Papaioannou, George (author), Demoulias, Charis (author)The high proliferation of converter-dominated Distributed Renewable Energy Sources (DRESs) at the distribution grid level has gradually replaced the conventional synchronous generators (SGs) of the transmission system, resulting in emerging stability and security challenges. The inherent characteristics of the SGs are currently used for...review 2020
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van der Meer, A.A. (author), Bhandia, R. (author), Palensky, P. (author), Cvetkovic, M. (author), Widl, Edmund (author), Nguyen, Van Hoa (author), Tran, Quoc Tuan (author), Heussen, Kai (author)This chapter provides a brief overview of modelling and simulation approaches for smart grid systems. A special focus is put onto the coupling of simulation environments; i.e., the co-simulation of power systems and its components. Furthermore, selected implementations of standardized interfaces for domain simulators covering the domains of...book chapter 2020
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Bhandia, R. (author), de Jesus Chavez, Jose (author), Cvetkovic, M. (author), Palensky, P. (author)Reliable power supply to the consumers is the key goal for power utilities. The two key reliability indices for power utilities are SAIDI and SAIFI. These indices indicate the average duration and frequency of supply interruptions for the consumer. A low value on these indices reflects a reliable and mostly uninterrupted power supply....conference paper 2020
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Nikolakakos, Christos (author), Mushtaq, U. (author), Palensky, P. (author), Cvetkovic, M. (author)Renewable Energy Sources (RES), and especially wind turbines (WT) as the most mature technology, will provide a large share of energy generation in a future sustainable power system. This development introduces several challenges that need to be addressed in order to ensure a safe transition away from the fossil-fuel based generation. One of the...conference paper 2020
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Janssen, Suzanne (author), Fu, A. (author), Cvetkovic, M. (author), Palensky, P. (author)The rapid growth of rooftop solar, and on the rise technologies such as electric vehicles and heat pumps, is leading to congestion problems in low voltage distribution networks. If not dealt with, the congestion will prevent the installation of further units limiting the pace of the energy transition. Energy Storage Systems (ESS) are often seen...conference paper 2020