Results 271 to 280 of about 2,636 (303)

Modeling and Control of a Microgrid in Islanding Mode

RE&PQJ
Recent researches show the importance of modeling and control the DC/DC and DC/AC power converters in order to obtain proper-islanded microgrids or safe connection of different generation sources to the utility grid. The control needs arise because the high penetration of the low scale generation may produce frequency and voltage deviations from ...
null F. Dulce, null A. Gauthier, null A. Pantoja   +2 more
openaire   +1 more source

Quantum localization for a kicked rotor with accelerator mode islands

Physical Review E, 2002
Dynamical localization of classical superdiffusion for the quantum kicked rotor is studied in the semiclassical limit. Both classical and quantum dynamics of the system become more complicated under the conditions of mixed phase space with accelerator mode islands. Recently, long time quantum flights due to the accelerator mode islands have been found.
A, Iomin, S, Fishman, G M, Zaslavsky
openaire   +2 more sources

A modelling case study of an island mode solar power plant

2015 7th International Conference on Electronics, Computers and Artificial Intelligence (ECAI), 2015
This paper deals with efficiency analysis of a solar power plant that is considered to be installed in island mode with 2 kWp rated power. The test bed designed in Simulink© consists of solar panel, buck converter, and H-bridge inverter models all based to analytical concepts. The solar panel model is designed according to equation of a solar cell, and
Ersan Kabalci, Alper Görgün, Yasin Kabalci, Göksel Gökkus   +3 more
openaire   +4 more sources

Economic dispatch optimization of microgrid in islanded mode

International Energy and Sustainability Conference 2014, 2014
Microgrid combines with Distributed Energy Resources (DERs), energy storage, and controllable loads. It is connected to the maingrid through the point of common coupling (PCC). Economic dispatch using reduced gradient method is implemented for the optimization of energy in the microgrid using MATLAB.
Sundari Ramabhotla, Stephen Bayne, Michael Giesselmann   +2 more
openaire   +1 more source

The tempo and mode of evolution: body sizes of island mammals.

Evolution; international journal of organic evolution, 2011
The tempo and mode of body size evolution on islands are believed to be well known. It is thought that body size evolves relatively quickly on islands toward the mammalian modal value, thus generating extreme cases of size evolution and the island rule. Here, we tested both theories in a phylogenetically explicit context, by using two different species-
RAIA, PASQUALE, Meiri S.
openaire   +3 more sources

Optimizing economical dispatch of a microgrid in islanding mode

8th International Conference on Electrical and Computer Engineering, 2014
In this paper, the focus is on the dispatching strategy of microgrids with minimization in costs and emissions. The novelty of this paper is in proposing a new approach toward combined heat and power generation in a grid with renewable energy resources, such as wind turbines, photovoltaic cells which reduces the overall costs considerably.
Amirhossein Ghods, Fahmid Al Farid, Shohag Barman, Ebrahim Sheikhi, Umme Salma   +4 more
openaire   +1 more source

Island Mode of Low Capacity Generators Operation

Advanced Materials Research, 2014
In this paper advantages and disadvantages of island mode generator operation are considered. There are significant difficulties when it is necessary to provide operational stability and power quality in the system isolated from utility electric power system (EPS).
Alexander O. Egorov, Stanislav A. Eroshenko, Vladislav O. Samoylenko, Pavel V. Kolobov, Daniil A. Glushkov   +4 more
openaire   +1 more source

Microgrid control principles in island mode operation

2013 IEEE Grenoble Conference, 2013
Microgrids are small power systems capable of island and grid modes of operation. They are based on multiple renewable energy sources that produce electricity. Managing their power balance and stability is a challenging task since they depend on quite a number of variables.
Palizban, Omid, Kauhaniemi, Kimmo
openaire   +1 more source

Research on Island Microgrid Master-Slave Mode

Applied Mechanics and Materials, 2015
Based on island microgrid, using master-slave structure. VF inverter works as master, ensuring the stability of the voltage and frequency of microgird, PQ inverter works as slave, maximize the use of renewable energy sources. Design the controller for VF and PQ inverter respectively.
Xing Qiao Li, Xiang Yang Zhao
openaire   +1 more source

Island mode operation in hydropower plant

2017
Island operation of hydropower plant is fully discussed. Problems associated during island operation are also explained. Different measures to operate a hydropower plant in island operation are also mentioned.
openaire   +1 more source