{"id":4686,"date":"2021-03-12T14:14:27","date_gmt":"2021-03-12T12:14:27","guid":{"rendered":"http:\/\/journals.khnu.km.ua\/vestnik\/?p=4686"},"modified":"2021-03-17T11:57:26","modified_gmt":"2021-03-17T09:57:26","slug":"%d0%b0%d0%bd%d0%b0%d0%bb%d1%96%d0%b7-%d0%bd%d0%b5%d1%81%d1%82%d0%b0%d0%b1%d1%96%d0%bb%d1%8c%d0%bd%d0%be%d1%81%d1%82%d1%96-%d0%bd%d0%b5%d0%b3%d0%b0%d1%80%d0%b0%d0%bd%d1%82%d0%be%d0%b2%d0%b0%d0%bd%d0%b8","status":"publish","type":"post","link":"https:\/\/journals.khnu.km.ua\/vestnik\/?p=4686","title":{"rendered":"\u0410\u043d\u0430\u043b\u0456\u0437 \u043d\u0435\u0441\u0442\u0430\u0431\u0456\u043b\u044c\u043d\u043e\u0441\u0442\u0456 \u043d\u0435\u0433\u0430\u0440\u0430\u043d\u0442\u043e\u0432\u0430\u043d\u0438\u0445 \u0434\u0436\u0435\u0440\u0435\u043b \u0435\u043d\u0435\u0440\u0433\u0456\u0457 \u0432 \u0435\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u043d\u0438\u0445 \u043c\u0435\u0440\u0435\u0436\u0430\u0445"},"content":{"rendered":"<p><!--more--><\/p>\n<p style=\"text-align: center;\">\u0410\u041d\u0410\u041b\u0406\u0417 \u041d\u0415\u0421\u0422\u0410\u0411\u0406\u041b\u042c\u041d\u041e\u0421\u0422\u0406 \u041d\u0415\u0413\u0410\u0420\u0410\u041d\u0422\u041e\u0412\u0410\u041d\u0418\u0425 \u0414\u0416\u0415\u0420\u0415\u041b \u0415\u041d\u0415\u0420\u0413\u0406\u0407 \u0412 \u0415\u041b\u0415\u041a\u0422\u0420\u0418\u0427\u041d\u0418\u0425 \u041c\u0415\u0420\u0415\u0416\u0410\u0425<\/p>\n<p style=\"text-align: center;\">ANALYSIS OF INSTABILITY OF UNGUARANTEED ENERGY SOURCES IN POWER GRIDS<\/p>\n<p><a href=\"http:\/\/journals.khnu.km.ua\/vestnik\/wp-content\/uploads\/2021\/03\/37-1.pdf\"> <img loading=\"lazy\" class=\"size-full wp-image-69 alignnone\" src=\"http:\/\/journals.khnu.km.ua\/vestnik\/wp-content\/uploads\/2021\/01\/pdf.png\" alt=\"\" width=\"76\" height=\"32\" \/><\/a> <strong>\u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 12-16. \u041d\u043e\u043c\u0435\u0440: \u21165, 2020 (289)<\/strong><br \/>\n<strong>\u0410\u0432\u0442\u043e\u0440\u0438:<\/strong><br \/>\n\u041e.\u041e. \u0420\u0423\u0411\u0410\u041d\u0415\u041d\u041a\u041e<br \/>\n\u0412\u0456\u043d\u043d\u0438\u0446\u044c\u043a\u0438\u0439 \u043d\u0430\u0446\u0456\u043e\u043d\u0430\u043b\u044c\u043d\u0438\u0439 \u0442\u0435\u0445\u043d\u0456\u0447\u043d\u0438\u0439 \u0443\u043d\u0456\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442<br \/>\nO. RUBANENKO<br \/>\nVinnytsia National Technical University<br \/>\n<strong>DOI:<\/strong> <a href=\"https:\/\/www.doi.org\/10.31891\/2307-5732-2020-289-5-226-230\">https:\/\/www.doi.org\/10.31891\/2307-5732-2020-289-5-226-230<\/a><br \/>\n<strong>\u0420\u0435\u0446\u0435\u043d\u0437\u0456\u044f\/Peer review :<\/strong> 24.10.2020 \u0440.<br \/>\n<strong>\u041d\u0430\u0434\u0440\u0443\u043a\u043e\u0432\u0430\u043d\u0430\/Printed :<\/strong> 27.11.2020 \u0440.<\/p>\n<p style=\"text-align: center;\"><strong>\u0410\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u043c\u043e\u0432\u043e\u044e \u043e\u0440\u0438\u0433\u0456\u043d\u0430\u043b\u0443<\/strong><\/p>\n<p>\u0412 \u0441\u0442\u0430\u0442\u0442\u0456 \u0434\u043e\u0441\u043b\u0456\u0434\u0436\u0435\u043d\u043e \u043f\u043e\u043d\u044f\u0442\u0442\u044f \u043d\u0435\u0433\u0430\u0440\u0430\u043d\u0442\u043e\u0432\u0430\u043d\u043e\u0433\u043e \u0434\u0436\u0435\u0440\u0435\u043b\u0430 \u0435\u043d\u0435\u0440\u0433\u0456\u0457 \u0442\u0430 \u0432\u043f\u043b\u0438\u0432 \u0433\u043b\u0438\u0431\u043e\u043a\u043e\u0457 \u0456\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0456\u0457 \u0432\u0456\u0434\u043d\u043e\u0432\u043b\u044e\u0432\u0430\u043d\u0438\u0445 \u0434\u0436\u0435\u0440\u0435\u043b \u0435\u043d\u0435\u0440\u0433\u0456\u0457 \u0432 \u0435\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u043d\u0456 \u043c\u0435\u0440\u0435\u0436\u0456. \u041f\u0440\u043e\u0430\u043d\u0430\u043b\u0456\u0437\u043e\u0432\u0430\u043d\u043e \u0448\u043b\u044f\u0445\u0438 \u043a\u043e\u043c\u043f\u0435\u043d\u0441\u0430\u0446\u0456\u0457 \u043d\u0435\u0441\u0442\u0430\u0431\u0456\u043b\u044c\u043d\u043e\u0441\u0442\u0456\u00a0 \u043d\u0435\u0433\u0430\u0440\u0430\u043d\u0442\u043e\u0432\u0430\u043d\u0438\u0445 \u0434\u0436\u0435\u0440\u0435\u043b \u0435\u043d\u0435\u0440\u0433\u0456\u0457. \u041d\u0430\u0432\u0435\u0434\u0435\u043d\u043e \u043a\u043b\u0430\u0441\u0438\u0444\u0456\u043a\u0430\u0446\u0456\u044e \u0437\u0430\u0434\u0430\u0447 \u043f\u0440\u043e\u0433\u043d\u043e\u0437\u0443\u0432\u0430\u043d\u043d\u044f \u0433\u0435\u043d\u0435\u0440\u0443\u0432\u0430\u043d\u043d\u044f \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u0435\u043d\u0435\u0440\u0433\u0456\u0457 \u0432\u0456\u0434\u043d\u043e\u0432\u043b\u044e\u0432\u0430\u043d\u0438\u0445 \u0434\u0436\u0435\u0440\u0435\u043b \u0435\u043d\u0435\u0440\u0433\u0456\u0457 \u0437\u0430\u043b\u0435\u0436\u043d\u043e \u0432\u0456\u0434 \u043f\u0440\u0438\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f \u043f\u0440\u043e\u0433\u043d\u043e\u0437\u043e\u0432\u0430\u043d\u0438\u0445 \u0434\u0430\u043d\u0438\u0445. \u0414\u043b\u044f \u043e\u0446\u0456\u043d\u043a\u0438 \u0432\u043f\u043b\u0438\u0432\u0443 \u043d\u0430 \u0434\u043e\u0431\u043e\u0432\u0435 \u0433\u0435\u043d\u0435\u0440\u0443\u0432\u0430\u043d\u043d\u044f \u043f\u0440\u043e\u0442\u044f\u0433\u043e\u043c \u0440\u043e\u043a\u0443 \u043c\u0435\u0442\u0435\u043e\u0440\u043e\u043b\u043e\u0433\u0456\u0447\u043d\u0438\u0445 \u0444\u0430\u043a\u0442\u043e\u0440\u0456\u0432 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043e \u043a\u043e\u0440\u0435\u043b\u044f\u0446\u0456\u0439\u043d\u043e-\u0440\u0435\u0433\u0440\u0435\u0441\u0456\u0439\u043d\u0438\u0439 \u0430\u043d\u0430\u043b\u0456\u0437. \u0417 \u0446\u0456\u0454\u044e \u043c\u0435\u0442\u043e\u044e \u0432\u0438\u0437\u043d\u0430\u0447\u0435\u043d\u043e \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0438 \u043a\u043e\u0440\u0435\u043b\u044f\u0446\u0456\u0457 \u041f\u0456\u0440\u0441\u043e\u043d\u0430, \u0421\u043f\u0456\u0440\u043c\u0435\u043d\u0430 \u0456 \u041a\u0435\u043d\u0434\u0435\u043b\u0430. \u0412\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e \u043d\u0430\u0439\u0431\u0456\u043b\u044c\u0448 \u0432\u043f\u043b\u0438\u0432\u043e\u0432\u0456 \u043c\u0435\u0442\u0435\u043e\u0440\u043e\u043b\u043e\u0433\u0456\u0447\u043d\u0456 \u0444\u0430\u043a\u0442\u043e\u0440\u0438 \u043d\u0430 \u0433\u0435\u043d\u0435\u0440\u0443\u0432\u0430\u043d\u043d\u044f \u0444\u043e\u0442\u043e\u0432\u043e\u043b\u044c\u0442\u0430\u0457\u0447\u043d\u043e\u044e \u0435\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u043d\u043e\u044e \u0441\u0442\u0430\u043d\u0446\u0456\u0454\u044e, \u0437\u043e\u043a\u0440\u0435\u043c\u0430: \u0432\u0456\u0434\u043d\u043e\u0441\u043d\u0430 \u0432\u043e\u043b\u043e\u0433\u0456\u0441\u0442\u044c; \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043d\u0430 \u0432\u0438\u0441\u043e\u0442\u0456 2 \u043c; \u0456\u043d\u0441\u043e\u043b\u044f\u0446\u0456\u044f \u0442\u0430 \u0456\u043d\u0448\u0456.<br \/>\n<strong>\u041a\u043b\u044e\u0447\u043e\u0432\u0456 \u0441\u043b\u043e\u0432\u0430:<\/strong> \u0432\u0456\u0434\u043d\u043e\u0432\u043b\u044e\u0432\u0430\u043d\u0456 \u0434\u0436\u0435\u0440\u0435\u043b\u0430 \u0435\u043d\u0435\u0440\u0433\u0456\u0457, \u043d\u0435\u0433\u0430\u0440\u0430\u043d\u0442\u043e\u0432\u0430\u043d\u0456 \u0434\u0436\u0435\u0440\u0435\u043b\u0430 \u0435\u043d\u0435\u0440\u0433\u0456\u0457, \u0435\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u043d\u0456 \u043c\u0435\u0440\u0435\u0436\u0456, \u043a\u043e\u0440\u0435\u043b\u044f\u0446\u0456\u0439\u043d\u043e-\u0440\u0435\u0433\u0440\u0435\u0441\u0456\u0439\u043d\u0438\u0439 \u0430\u043d\u0430\u043b\u0456\u0437, \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0438 \u043a\u043e\u0440\u0435\u043b\u044f\u0446\u0456\u0457 \u041a\u0435\u043d\u0434\u0435\u043b\u0430, \u0421\u043f\u0456\u0440\u043c\u0435\u043d\u0430, \u041f\u0456\u0440\u0441\u043e\u043d\u0430.<\/p>\n<p style=\"text-align: center;\"><strong>\u0420\u043e\u0437\u0448\u0438\u0440\u0435\u043d\u0430 \u0430\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u0430\u043d\u0433\u043b\u0456\u0439\u0441\u044c\u043a\u043e\u044e \u043c\u043e\u0432\u043e\u044e<\/strong><\/p>\n<p>The paper investigates the concept of unguaranteed energy source and the impact of integration of renewable energy sources in power grids. Means to compensate for the instability of unguaranteed energy sources are analyzed. The main difference between bulk power supply in electricity networks and distributed power supply is that the change in power flows (flows of electricity flows) and the composition of the balance structure mainly depends only on the consumption schedule. In a power grid with deep integration of renewable energy sources without sufficient storage reserve during the day the composition of generating capacity changes under the influence of various factors, including meteorological, as well as the scheme of energy transmission to consumers under the influence of natural conditions. The composition of the equipment may change significantly, which affects the balance reliability of the system. The classification of tasks for forecasting the power generation of renewable energy sources depending on the purpose of using the forecoasting data. The task of forecasting the power generation of renewable energy sources is a non-linear task with the relationship between the amount of renewable energy sources generation and the influential meteorological and technological factors, which certainly affect the accuracy of the forecast. Therefore, it is advisable to use the theory of sensitivity analysis of renewable energy sources generation to changes in meteorological factors and technological conditions of power stations in power grids. In the task of forecasting the power generation of renewable energy sources, it is important to identify the most influential meteorological factors, which will simplify forecasting models and focus on more informative indexes. Correlation analysis was used to assess the impact on the daily generation of meteorological factors during the year. For this purpose, the correlation coefficients of Pearson, Spearman and Kendel were determined. The most influential meteorological factors on the generation of photovoltaic power station, in particular: relative humidity; temperature at of 2 m; solar insolation and others.<br \/>\n<strong>Keywords:<\/strong> renewable energy sources, unguaranteed energy sources, power grids, correlation analysis, Kendel, Spearman, Pearson correlation coefficients.<\/p>\n<p style=\"text-align: center;\"><strong>References<\/strong><\/p>\n<ol>\n<li>IRENA (2019), Renewable capacity statistics 2019, International Renewable Energy Agency (IRENA), Abu Dhabi. URL: https:\/\/www.irena.org\/publications\/2019\/Mar\/Renewable-Capacity-Statistics-2019<\/li>\n<li>Zvit pro rezultaty diialnosti Natsionalnoi komisii, shcho zdiisniuie derzhavne rehuliuvannia u sferakh enerhetyky ta komunalnykh posluh, u 2018 rotsi : postanova NKREKP \u2116 440 vid 29.03.2019. \u2013 K. : NKREKP, 2018. \u2013 304 s.<\/li>\n<li>Dombrovskyi O. 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Lesko, &#8220;Forecasting Hourly Photovoltaic Generation On Day Ahead,&#8221; in 2019 IEEE 6th International Conference on Energy Smart Systems (ESS), 2019, pp. 184-187.<\/li>\n<li>Lezhniuk P.D. Analiz meteoparametriv dlia pohodynnoho prohnozuvannia vyrobitku elektroenerhii fotovoltaichnymy elektrostantsiiamy na dobu napered \/ P.D. Lezhniuk, V.O. Komar, S.V. Kravchuk, Ye.S. 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