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Power Losses Minimization in Radial Distribution Networks by Capacitor Allocation Using Hybrid Evolutionary Computation Technique

... research presents a framework to solve the shunt capacitors' optimal allocation and sizing problem in radial distribution networks (RDNs) by a hybrid algorithm, named as Differential Evolution Cuckoo Search Algorithm (DECSA) which combines two efficient optimization methods, namely, Differential Evolution (DE) and Cuckoo Search algorithm (CSA), together. Loss sensitivity factor (LSF) is employed to determine the preferred capacitors' installation positions. The hybrid algorithm DECSA is developed to ...

Теги: cuckoo search , differential evolution , radial distribution networks evolutionary algorithms , shunt capacitors , electric load flow , learning algorithms , optimization , reactive power , cuckoo search algorithms , cuckoo searches , evolutionary computation techn
Раздел: ИСЭМ СО РАН
Модифицированный метод динамического программирования для оптимизации гидравлических режимов распределительных тепловых сетей

Луценко А.В., Новицкий Н.Н. Модифицированный метод динамического программирования для оптимизации гидравлических режимов распределительных тепловых сетей // Вычислительные технологии. Т.23. №6. 2018. C.47-63. DOI: 10.25743/ICT.2018.23.6.006 Предложена оригинальная модификация метода динамического программирования, предназначенная для оптимизации гидравлических режимов распределительных тепловых сетей, опирающаяся на специальные свойства задачи. Продемонстрировано, что предложенная модификация метода...

Теги: теплоснабжающие системы , распределительные тепловые сети , гидравлический режим , оптимизация , heat supply systems , distribution heating networks , hydraulic mode , optimization
Раздел: ИСЭМ СО РАН
Cyber Security-Oriented Smart Grid State Estimation

Kolosok I., Gurina L. Cyber Security-Oriented Smart Grid State Estimation // E3S Web of Conferences. Vol.69. ID: 02004. 2018. DOI: 10.1051/e3sconf/20186902004 Development of Smart Grid involves the introduction of Wide Area Measurement System (WAMS), which provides the use of information, computing and digital technologies for measuring, transmitting and processing operating parameters when solving control problems. In this regard, the increased vulnerability to cyberattacks of the control system...

Теги: electric power system measurement , electric power system planning , electric power systems , electric power transmission networks , estimation , information use , network security , optimization , smart powe
Раздел: ИСЭМ СО РАН
Combined generation and transmission capacity market model for dispersed systems

... (print): 9781538614884. DOI: 10.1109/EEM.2018.8469766 The paper develops a capacity market model for dispersed electric power systems (EPS) characterized by long distances and low transfer capabilities of transmission lines. The model includes discrete optimization of an optimal generation set considering network limitations. Potential competition and generation development are integrated into the model. Forming investment price signals is discussed as far as the capacity price is not calculated by ...

Теги: capacity market , dispersed electric power systems , generation expansion , transmission expansion , commerce , electric lines , electric power systems , electric power transmission , expansion , optimization , power markets , capacity markets , discrete optimization
Раздел: ИСЭМ СО РАН
Search for a market equilibrium of Cournot-Nash in the competitive heat market

Penkovskii A., Stennikov V., Mednikova E., Postnikov I. Search for a market equilibrium of Cournot-Nash in the competitive heat market // Energy. Vol.161. 2018. P.193-201. DOI: 10.1016/j.energy.2018.07.086 The paper is concerned with a «Single-buyer » heat market model. A mathematical model is developed. In this model, optimal distribution of heating load among heat sources, that corresponds to the Nash equilibrium is determined based on the Cournot approach. The mathematical model makes it possible...

Теги: cournot-nash equilibrium , heat market , heat supply system , optimization , «single buyer» model
Раздел: ИСЭМ СО РАН
Mathematical Modeling of the Heat Energy Market on a Single Heat Supplier Basis

Penkovskii A.V., Stennikov V.A. Mathematical Modeling of the Heat Energy Market on a Single Heat Supplier Basis // Thermal Engineering . Vol.65. No.7. 2018. P.443-452. DOI: 10.1134/S0040601518070078 Organizational models of the heat energy market on a Single Heat Supplier basis (SHS) operating in free (liberalized) and regulated tariff environments are considered. An equilibrium mathematical model is proposed for the liberalized tariff setting conditions based on a microeconomic monopolistic market...

Теги: heat energy market , heat supply , mathematical modeling , optimization , single heat supplier , circuit theory , commerce , costs , hydraulic equipment , hydraulic machinery , iterative methods , mathematical models , solar buildings , economic characteristics , engin
Раздел: ИСЭМ СО РАН
Simplex embedding method in decomposition of large sparse convex nondifferentiable optimization problems

Kolosnitsyn A. Simplex embedding method in decomposition of large sparse convex nondifferentiable optimization problems // CEUR Workshop Proceedings. Vol.2098. 2018. P.189-199. We consider an adaptation of the simplex embedding method to the decomposition of large-scale convex problem with sparse block-wise constraint matrix. According to the Lagrangean ...

Теги: decomposition , lagrangean relaxation , nondifferentiable optimization , simplex embedding method , optimization , concave function , convex problems , embedding method , non-differentiable , non-differentiable functions , non-differentiable optimization , numerical
Раздел: ИСЭМ СО РАН
Editorial for special issue on methods of optimization and their applications

Sforza A., Sidorov D., Vasiliev I. Editorial for special issue on methods of optimization and their applications // International Journal of Artificial Intelligence. Vol.16. No.1. 2018. P.113-115. The special issue focuses on the optimization methods which are in the core of artificial intelligence technologies. The 17th Baikal ...

Теги: editorial , machine learning , operations research , optimization
Раздел: ИСЭМ СО РАН
Data processing and optimization system to study prospective interstate power interconnections

Podkovalnikov S., Trofimov I., Trofimov L. Data processing and optimization system to study prospective interstate power interconnections // E3S Web of Conferences. Vol.27. ID: 01007. 2018. DOI: 10.1051/e3sconf/20182701007 The paper presents Data processing and optimization system for studying and making rational ...

Теги: data handling , electric power systems , electric power transmission networks , expansion , object-oriented databases , optimization , electric power , electric power grids , graphical visualization , optimiza
Раздел: ИСЭМ СО РАН
Interior point and newton methods in solving high dimensional flow distribution problems for pipe networks

... Lecture Notes in Bioinformatics). Vol.10556 LNCS. 2017. P.139-149. ISBN (print): 9783319694030. DOI: 10.1007/978-3-319-69404-7_10 In this paper optimal flow distribution problem in pipe network is considered. The investigated problem is a convex sparse optimization problem with linear equality and inequality constrains. Newton method is used for problem with equality constrains only and obtains an approximate solution, which may not satisfy inequality constraints. Then Dikin Interior Point Method starts ...

Теги: convex optimization , interior point method , large-scale optimization , newton method , pipe network , sparse matrix , constraint theory , linear programming , newton-raphson method , optimization , quadratic programming , approximate solution , inequality constrain
Раздел: ИСЭМ СО РАН


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