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Wyszukujesz frazę "electric distribution networks" wg kryterium: Wszystkie pola


Wyświetlanie 1-4 z 4
Tytuł:
Optimization of urban MV multi-loop electric power distribution networks structure using Artificial Intelligence methods
Autorzy:
Parol, M.
Baczyński, D.
Brożek, J.
Powiązania:
https://bibliotekanauki.pl/articles/205678.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
electric power distribution networks
optimization of network structure
evolutionary algorithms
artificial neural networks
Opis:
Urban medium voltage (MV) electric power distribution networks are supplied with primary (HV/MV) substations. These networks supply secondary (MV/LV) transformer substations and are often built as closed structures - loop arrangements. The design problem of optimal urban MV distribution network structure consists of determining the number of primary substations, establishing the number of MV loops supplied with the primary substations, and assigning the secondary MV/LV transformer substations to the MV loops. The optimization task becomes especially complex when the number of the primary substations is greater than one. The minimum of total annual costs is sought. The total annual costs include: fixed (investment) costs, variable (operating) costs and supply-interruption costs. Typical constraints are also accounted for. The so defined optimization problem is a complicated mathematical problem in respect of computational effort. In order to resolve the mathematical model of the optimization problem, evolutionary algorithms and artificial neural networks have been used. Exemplary computational experiments have been executed on the model of urban MV multi-loop electric power distribution networks. The results from the evolutionary algorithm and the artificial neural network calculations have been compared.
Źródło:
Control and Cybernetics; 2012, 41, 3; 667-689
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Applied TVA-PSO for optimal energy efficient integration of renewable energy sources based maximizing TEC levels
Autorzy:
Lasmari, Adel
Zellagui, Mohamed
Powiązania:
https://bibliotekanauki.pl/articles/41186676.pdf
Data publikacji:
2023
Wydawca:
Politechnika Warszawska, Instytut Techniki Cieplnej
Tematy:
renewable distributed generation
optimal energy efficient integration
electric distribution networks
TEC levels
time-varying acceleration particle swarm optimization
odnawialna generacja
optymalna integracja
dystrybucja energii elektrycznej
optymalizacja
Opis:
After the rapid increase in the population demography and industrial revolution, many researchers focus on maintaining the balance between the consumption and the production; in this regard, decentralized production plays an important role to achieve this balance, because of its technical economic aspect such as power losses reduction and voltage profile improvement. These advantages can better exploited through the optimal assessment of Distributed Generation (DG). This paper is interested in the study of the optimal location and size of one and multiple DG based on photovoltaic solar sources PV-DG in Radial Distribution Network (RDN) using the Time Varying Acceleration Particle Swarm Optimization Algorithm (TVA-PSO). This algorithm implemented to maximize the Multi-Objective Functions (MOF) based on the Environmental Pollution Reduction Level (EPRL), the Voltage Deviation Level (VDL), Active Power Loss Level (APLL), the Net Saving Level (NSL), and finally the Short Circuit Level (SCL). The proposed method is tested on the standard IEEE 33-, 69-and 118-bus RDN. Outcomes proves that the proposed TVA-PSO is more efficient to solve the optimal allocation of multiple DGs with high convergence rate and minimum power loss reduction.
Źródło:
Journal of Power Technologies; 2023, 103, 2; 123-137
1425-1353
Pojawia się w:
Journal of Power Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-objective coordination optimisation method for DGs and EVs in distribution networks
Autorzy:
Tang, Huiling
Wu, Jiekang
Powiązania:
https://bibliotekanauki.pl/articles/141087.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
charging and discharging of electric vehicles
distribution networks
distributed generation
multi-objective coordination optimisation
SAPSO
Opis:
The loss of power and voltage can affect distribution networks that have a significant number of distributed power resources and electric vehicles. The present study focuses on a hybrid method to model multi-objective coordination optimisation problems for distributed power generation and charging and discharging of electric vehicles in a distribution system. An improved simulated annealing based particle swarm optimisation (SAPSO) algorithm is employed to solve the proposed multi-objective optimisation problem with two objective functions including the minimal power loss index and minimal voltage deviation index. The proposed method is simulated on IEEE 33-node distribution systems and IEEE-118 nodes large scale distribution systems to demonstrate the performance and effectiveness of the technique. The simulation results indicate that the power loss and node voltage deviation are significantly reduced via the coordination optimisation of the power of distributed generations and charging and discharging power of electric vehicles.With the methodology supposed in this paper, thousands of EVs can be accessed to the distribution network in a slow charging mode.
Źródło:
Archives of Electrical Engineering; 2019, 68, 1; 15-32
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the effect of characteristic parameters of a distribution transformer on economic management of electric power transmission in low-voltage networks
Autorzy:
Nawrowski, R.
Stein, Z.
Zielińska, M.
Powiązania:
https://bibliotekanauki.pl/articles/97588.pdf
Data publikacji:
2012
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
electric power transmission
distribution transformer
electrical energy
Opis:
The paper presents an attempt of mathematical description of the effect of, among others, such parameters of modern energetic transformers as magnetizing current or power loss in the core on the power loss and reactive power, in case of power transmission in the distribution networks, particularly of low-voltage.
Źródło:
Computer Applications in Electrical Engineering; 2012, 10; 299-307
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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