THE LIMIT DISTANCES OF CONNECTION OF OBJECTS AND CONSUMERS TO ENERGY SOURCES BY DIFFERENT POWER SUPPLY SYSTEMS

Authors

DOI:

https://doi.org/10.20535/1813-5420.2.2023.279638

Keywords:

local energy object, power supply system, marginal distance, optimal attachment radius, consumer, energy efficiency.

Abstract

This article is devoted to the development of a methodology for selecting the optimal variant of the power supply system for a remote local facility from the centralized integrated power system. The article proposes and formulates a definition of the term local power facility.

The main factors influencing the choice of a power supply system for a remote facility from a centralized power supply system are analyzed, including: the remoteness of the consumer from the centralized power grid, load power, the nature of the loads, its natural and climatic, and socio-economic conditions of location.

A classification of power supply systems of local energy facilities has been developed according to such categorical features as: sources of electricity supply, nature of power supply operation, location of the power supply, nature of consumer connection to the power supply, and method of electricity distribution.

The article develops the equations of the boundary radii of connection of electrical installations to power sources in the case of centralized power supply from the integrated power system and centralized power supply from the own power plant within the local power facility. Schematic diagrams of power supply of local energy facilities with a detailed description of their elements are constructed.

The advantages and disadvantages, as well as opportunities and threats to the development of power supply of local facilities as part of microgrids are presented. The advantages of centralized power supply include the low cost of energy and its much higher quality compared to the energy received from own power plants. The disadvantages of decentralized electricity supply include the high cost of investment in the equipment of own solar, wind or fuel power plants, usually of high capacity and staffed by highly qualified specialists, as well as problems with energy storage and the need to purchase fuel, its delivery and storage in large volumes.

The article provides strategic directions necessary for the development and dissemination of energy innovations in Ukraine in the long term.

References

Prakhovnyk A.V. Practical manual on energy saving for industrial, construction and housing and communal facilities / A.V. Prakhovnyk, V.V. Prokopenko, O.M. Zaladnyi, V.I. Deshko and others - Luhansk. 2010. - 696 p.

Rosen V.P. Electricity of remote objects / VP Rosen, AI Solovey, DV Kuptsov // Bulletin of the National Technical University of Ukraine "Kyiv Polytechnic Institute". Series: Milling. - 2014. - Iss. 26. - P. 96-102. - Access mode: http://nbuv.gov.ua/en/vkpi_gir_2014_26_17.

Shkrabets F.P. Electricity supply: a textbook / F.P. Shkrabets; Ministry of Education and Science of Ukraine, National Mining University - D.: NSU, 2015. 540 p.

Practical guide to energy audit of industrial enterprises / [A. Chernyavsky, A. Safyants, N. Usenko et al. Kyiv: Project "Advising Enterprises on Energy Efficiency" of the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH on behalf of the Federal Ministry for Economic Cooperation and Development (BMZ), 2020. 280 p.

Khotian A.A., Rosen V.P. State and prospects of development of local energy objects within microgrids. Power engineering: economics, technique, ecology. 2022. No. 2. P. 75-81.

Kyrylenko O.V., Pavlovskyi V.V., Lukianenko L.M. Technical aspects of the introduction of distributed generation sources in electric networks (in Ukrainian) // Techn. electrodynamics. - 2011. - No. 1. - P. 46-53.

Lobodzynskyi V.Y., Influence of the SMART GRID SYSTEM On The National Power Grid / V.Y. Lobodzynskyi, M.P. Buryk, O.V. Petruchenko, O.V. Illina // Рower engineering: economics, technique, ecology. 2022. . P. 57-64.

Published

2023-10-09

Issue

Section

ENERGY SYSTEMS AND COMPLEXES