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Dr. Robert Kasner
Department of Machines and Technical Systems, Faculty of Mechanical Engineering, University of Science and Technology, 85-796 Bydgoszcz, Poland

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Journal article
Published: 06 August 2021 in Energies
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The aim of this study is to investigate changes in the wind power plant energy production parameters under the conditions of sudden wind changes and voltage drop. To achieve these goals, a simulation of operation of wind power plants was performed. Twelve wind turbines with variable rotational speed equipped with a Fuhrländer FL 2500/104 asynchronous double-fed induction generator (DFIG) were used, each with an installed capacity of 2.5 MW. A general scheme of a wind power plant has been developed using a modular-trunk power distribution scheme. The system consists of wind power modules and a central substation, which allows total power to be supplied to the power system at a voltage of 35 kV. The central substation uses two high voltage switchgears. Four modules were used, each of them consisting of three wind turbines, with a power of 7.5 MW. The simulation of the wind turbines was performed in the MATLAB® Simulink® software environment. The mode of response of the turbines to a change in wind speed, a voltage drop in the 35 kV voltage system, and a one-phase short circuit to the ground in the system of 10.5 kV voltage was explored. The results show that a sudden voltage drop and the appearance of short circuits influence the wind power plant (WPP) operation in a different way independent of regulation mode. The power generation from WPP will be limited when voltage drop occurred for both AC and Voltage regulation mode and during short circuits while WPP is set on AC regulation mode.

ACS Style

Mohamed Qawaqzeh; Oleksandr Miroshnyk; Taras Shchur; Robert Kasner; Adam Idzikowski; Weronika Kruszelnicka; Andrzej Tomporowski; Patrycja Bałdowska-Witos; Józef Flizikowski; Marcin Zawada; Krzysztof Doerffer. Research of Emergency Modes of Wind Power Plants Using Computer Simulation. Energies 2021, 14, 4780 .

AMA Style

Mohamed Qawaqzeh, Oleksandr Miroshnyk, Taras Shchur, Robert Kasner, Adam Idzikowski, Weronika Kruszelnicka, Andrzej Tomporowski, Patrycja Bałdowska-Witos, Józef Flizikowski, Marcin Zawada, Krzysztof Doerffer. Research of Emergency Modes of Wind Power Plants Using Computer Simulation. Energies. 2021; 14 (16):4780.

Chicago/Turabian Style

Mohamed Qawaqzeh; Oleksandr Miroshnyk; Taras Shchur; Robert Kasner; Adam Idzikowski; Weronika Kruszelnicka; Andrzej Tomporowski; Patrycja Bałdowska-Witos; Józef Flizikowski; Marcin Zawada; Krzysztof Doerffer. 2021. "Research of Emergency Modes of Wind Power Plants Using Computer Simulation." Energies 14, no. 16: 4780.

Journal article
Published: 18 March 2020 in Energies
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The assessment of engineering objects in terms of energy consumption is an important part of sustainable development. Many materials, including those from the energy sector, need to undergo earlier processing, e.g., grinding. Grinding processes still demand a significant amount of energy, whereas current energy assessment methods do not take into account important parameters of the process, which makes it difficult to choose their optimal values. The study presents the analysis, testing, and assessment of mechanical engineering systems in terms of the energy consumption involved in the grinding of biomass intended for energy production purposes. A testing methodology was developed to improve the parameters of multi-disc grinding, including the reduction of energy consumption, power input, product quality improvement, and process efficiency. An original model of integrated energy consumption was developed. Tests were carried out on a five-disc grinder for five programs to assess the programmable angular speeds of the grinder discs. Output values, including specific energy demand, fragmentation degree, and integrated energy consumption, were assigned to each testing program. The test results were subjected to statistical analysis. Based on the authors’ own research, it was found that the angular speed of the discs and, consequently, the linear speed of the grinding blades, have a significant influence on the values of the integrated energy consumption of the preliminary process.

ACS Style

Weronika Kruszelnicka; Robert Kasner; Patrycja Bałdowska-Witos; Józef Flizikowski; Andrzej Tomporowski. The Integrated Energy Consumption Index for Energy Biomass Grinding Technology Assessment. Energies 2020, 13, 1417 .

AMA Style

Weronika Kruszelnicka, Robert Kasner, Patrycja Bałdowska-Witos, Józef Flizikowski, Andrzej Tomporowski. The Integrated Energy Consumption Index for Energy Biomass Grinding Technology Assessment. Energies. 2020; 13 (6):1417.

Chicago/Turabian Style

Weronika Kruszelnicka; Robert Kasner; Patrycja Bałdowska-Witos; Józef Flizikowski; Andrzej Tomporowski. 2020. "The Integrated Energy Consumption Index for Energy Biomass Grinding Technology Assessment." Energies 13, no. 6: 1417.