Devising a Method for Estimating the Share of Electricity Consumption by a Given Consumer, Which is Provided Renewable Energy Sources
Автор
Lezhniuk, P.
Burykin, O.
Kulyk, V.
Malogulko, Yu.
Polishchuk, A.
Sytnyk, A.
Лежнюк, П. Д.
Бурикін, О. Б.
Кулик, В. В.
Малогулко, Ю. В.
Поліщук, А.
Ситник, А. В.
Дата
2022Metadata
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Аннотации
One of the tools to confirm the origin of electricity sold in the retail market are the so-called
Guarantees of Origin. They are the basis for calculating greenhouse gas emissions and reporting on
carbon emissions and are the most sought-after by
European enterprises.
The object of this study is the mechanism of
labeling guarantees of the origin of electricity in
electrical networks with renewable energy sources, taking into consideration their location and
schemes of connection to the power grids.
Existing solutions for electricity labeling based
on the certificates of Guarantees of Origin have
a number of problems. They often do not accurately
reflect carbon emissions, do not provide transparency and verifiability for end users because they
do not take into consideration the physical processes of electricity transmission in the labeling system.
To solve this problem, a method has been developed that makes it possible to isolate from the flow
of energy in each power transmission a component
due to each connected energy source. As a result,
the proportion of the load of each node of the electrical network supplied by a certain source of electricity is determined. To take into account the nonlinearity of the ratio between voltages in the nodes
of electrical networks and flows in power transmissions, piecewise-linear approximation is used.
The algorithm for issuing guarantees of the origin of electricity has been improved. It takes into
consideration not only indicators of the balance
of electricity but also the results of assessing the
volume of electricity supply to each consumer from
renewable sources. Thus, the volume of sales of
guarantees of origin is limited depending on the
placement of consumers and their connection to
the power grid. Directing proceeds from the sale of
guarantees of origin to the guarantors of «green»
subsidies will provide them with additional financial support to compensate for the costs of the
«green» tariff
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http://ir.lib.vntu.edu.ua//handle/123456789/38301