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With the fast development of renewable energy, the traditional power system is unable to utilize and integrate distributed energy resources (DER) easily. Microgrids can integrate micro sources, distributed storage devices and active loads altogether and play an important role to link customers and micro sources. In this paper, several common micro sources such as wind turbine, microturbine and solar...
A hybrid power generation system is a combination of two or more power generation sources to best make use of their individual operating characteristics and to obtain efficiencies greater than that could be obtained from a single power source. These hybrid power sources can be a combination of a fossil fuel based plant and a renewable energy source as in a gas turbine combined with a high temperature...
Security assessment issues on modern power systems become more and more important also because of the growing penetration of DG (Distributed Generation) sources on the electric power systems. Today their penetration is still marginal with respect to the overall system load, but in the future they can cover a significant part of the consumptions, which means that research on power system security assessment...
Due to ever increasing energy demand and expectation, microgrid has received a great attention. Microgrid can be viewed as a cluster of loads and parallel DG units installed at consumer's sites. The main objective of this paper is to address on the issue of optimal operating strategy and cost optimization scheme for a microgrid using three evolutionary techniques, namely Particle Swarm Optimization...
With the growing awareness of environmental protection, energy savings, and economic scenarios, distributed generators (DGs) have been playing an increasingly important role in power systems (PSs) all over the world. DGs applications in and potential impacts on PSs have been paid more and more attention in recent years. However, the potential benefits of DGs on PSs have not yet been systematically...
Theobjectiveof this paper is to develop an optimally-sized microgrid system composed of wind turbine, diesel generator and hydrogen-based energy storage system for a remote community. The goal is to meet the instantaneous demand, while minimizing the cost of electricity and adverse impacts of burning fossil fuels on the environment. The wind turbine is the main source of energy. The electrolyser is...
This paper proposes a new method to manage the daily operation of MicroGrid (MG) for residential applications. Thorough discussion and simulations are conducted to clarify and highlight the principle of the method. Nonlinear optimization problem formulation is also performed. The proposed cost function takes into consideration the costs of the emissions NOx, SO2, and CO2 as well as the operation and...
The traditional approach in an electrical power system is to have centralized large capacity power plants feeding power to distant load centers through an extensive transmission and distribution network. DG emerged as an alternative to upgrade transmission lines and increase the capacity of remote power plants. The connection of DG to a Distribution system meets the various challenges like power quality...
P21 Renewable site solutions are the alternative to 24/7 Diesel generators for remote, off-grid situations - enabling rollout independent from growth of electrical network infrastructure and securing the required availability in combination with renewable energy sources. The hybridization of a fuel cell with the renewable energy sources ensures the required availability. In purely renewable powered...
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