Organisation of the Structure and Functioning of Self-Sufficient Distributed Power Generation

Oleksandra Hotra (), Mykhailo Kulyk, Vitalii Babak, Svitlana Kovtun, Oleksandr Zgurovets, Janusz Mroczka and Piotr Kisała
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Oleksandra Hotra: Department of Electronics and Information Technology, Lublin University of Technology, Nadbystrzycka 38D, 20-618 Lublin, Poland
Mykhailo Kulyk: Department of Forecasting the Electric Power Complex Development, General Energy Institute of NAS of Ukraine, Antonovich St. 172, 03057 Kyiv, Ukraine
Vitalii Babak: Department of Forecasting the Electric Power Complex Development, General Energy Institute of NAS of Ukraine, Antonovich St. 172, 03057 Kyiv, Ukraine
Svitlana Kovtun: Department of Monitoring and Diagnostic of Energy Objects, General Energy Institute of NAS of Ukraine, Antonovich St. 172, 03057 Kyiv, Ukraine
Oleksandr Zgurovets: Department of Forecasting the Electric Power Complex Development, General Energy Institute of NAS of Ukraine, Antonovich St. 172, 03057 Kyiv, Ukraine
Janusz Mroczka: Department of Electronic and Photonic Metrology, Wrocław University of Technology, ul. B. Prusa 53/55, 50-317 Wrocław, Poland
Piotr Kisała: Department of Electronics and Information Technology, Lublin University of Technology, Nadbystrzycka 38D, 20-618 Lublin, Poland

Energies, 2023, vol. 17, issue 1, 1-17

Abstract: During the operation of solar and wind power plants, it is necessary to solve issues related to the guaranteed capacity of these plants, as well as the frequency stabilisation in the power system where they operate, and maintain an operating mode of self-sufficiency conditions. One of the solutions to these problems is the use of energy storage systems. This article proposes a mathematical model for the study of frequency and power regulation processes in power systems with distributed generation, which includes renewable energy resources and energy storage systems. The novelty of the model lies in the possibility of determining energy cost indicators based on instantaneous energy power data. The model allows us to estimate the conditions under which distributed generation becomes self-sufficient. The results of the model calculations of two variants of power system operation, which includes wind generators with a capacity of 1500 MW, demonstrate the ability of the proposed model to accurately reproduce the dynamics of the frequency stabilisation process. The calculation results of the energy-economic indicators of a real power system combined with a powerful subsystem of wind generation and a battery-type energy storage system prove the competitiveness of self-sufficient renewable energy power plants.

Keywords: renewable energy resources; energy storage systems; distributed generation; principle of self-sufficiency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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