Methods for optimization of power-system operation modes

Belyaev, N. A.; Korovkin, Nikolay; Фролов, О. В.; Chudny, Vladimir S.

doi:10.3103/s1068371213020028

Cited by 33 publications

(7 citation statements)

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“…Таким образом, рассмотренные выше оптими-зационные задачи предполагают необходимость использования методов оптимизации электроэнер-гетических систем и систем электроснабжения, применимых для их решения [33][34][35].…”

Section: оптимизационные задачи в условиях электроэнергетических систunclassified

About optimization methods of power supply system and network modes

2017

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Section: оптимизационные задачи в условиях электроэнергетических систunclassified

About optimization methods of power supply system and network modes

2017

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“…The popular methods applied in centralized EMF contain artificial intelligence methods, particle swarm optimization (PSO), Petri-net method, BAT algorithm, mathematical programming, hyper-spherical search algorithm [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24]. Refs.…”

Section: Introductionmentioning

confidence: 99%

“…Refs. [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24] provide optimization methods based-EMFs for a grid connected-MG to reduce the running cost and the power loss. These only contain the day-ahead scheduling and dispatch of active power of the DERs.…”

Section: Introductionmentioning

confidence: 99%

Optimal operation of a hybrid-energy microgrid with energy storage system

et al. 2019

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In this paper, a day-ahead profit-maximizing energy management scheme for a grid-tied microgrid operation is proposed. The microgrid contains various types of distributed energy resources (DERs) and an inverter-interfaced battery-bank storage system. The average of day-ahead hourly forecasted data for loads, wind speed, and solar radiation are inputted into the framework of energy management (EMF). To optimize the microgrid performance, EMF determines the hourly dispatch of reactive and active power for each DER. Also, it specifies the discharging and charging times of the energy storage system and the onload tap changer position setting of the transformer connected to the main grid. The main aim is to maximize the revenue of microgrid meeting all technical limitations. The main grid can sell/buy reactive and active powers to/from the microgrid with a variable daily energy price of the market. A collective rule base-BAT algorithm is implemented as a solver of the energy management optimization problem for a grid-tided microgrid. Furthermore, the ability of the suggested EMF is proved in comparison with recent approaches.

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“…The statistical analysis of emergency situations, occurring when the lightning impacts the wind generator blades [7,8], shows that the main damaging factor is not only the high amplitude of the lightning current pulse, but also the long-term impact of supporting current. The direct effect of the lightning current pulse can significantly worsen the mechanical properties of wind generator blades composite materials.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the wind generator blades material resistance to the lightning current action

2018

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This paper is devoted to the problems of lightning protection of composite materials of wind generator blades. The results of experimental studies for carbon fibers under different types of lightning current pulse effects are provided. A significant increase in the degree of destruction of materials is shown for the pulse approximating field experiment results as compared with the standard lightning current pulse. We show that under the impact of the standard current pulse there is no significant material destruction, and the release of the discharge products is also insignificant. Also we shown that under the impact of the current pulse having a long «tail» time period (the current pulse close to the real one) there is an ignition of the carbon fiber composite material near the edges of the feeding electrode. With this the burning process doesn’t end after the end of the current pulse. The description of the pulse current generator created for experiments is given.

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Methods for optimization of power-system operation modes

Cited by 33 publications

References 0 publications

About optimization methods of power supply system and network modes

About optimization methods of power supply system and network modes

Optimal operation of a hybrid-energy microgrid with energy storage system

Investigation of the wind generator blades material resistance to the lightning current action

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