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In order to maximize the effectiveness of microgrids sophisticated control strategies are required. In this paper we investigate the performance of a model based power flow optimization controller for a grid connected microgrid consisting of; solar PV, battery storage, thermal generation, and a local electrical load. The controller is based on a mixed integer linear program (MILP) applied in a model...
Often, remote locations are not within close proximity to a mains power grid. A common solution to providing electricity in remote areas is diesel generation. Historically, it is a type of power generation that is proven reliable, but not without adverse environmental impacts. Diesel generation is not capital intensive. However, it can have long term negative financial impacts as well as producing...
In remote sites (north Canada, islands …); diesel generators are used to produce electricity. This method is relatively inefficient, very expensive and responsible for the emission of large amounts of greenhouse gases. The development and use of a wind-solar-diesel-battery hybrid system will eliminate the main barriers to the deployment of renewable energy in remote locations and decrease production...
This paper use differential evolution to do a comparison between two wind turbine cost models used in solving the economic dispatch problem. The models of interest are: The probabilistic model and the negative load model. These models will be used to solve the economic dispatch problem with and without the valve point effect considering different constrains such as generators capacity, ramp rate limit,...
This paper proposes biogeography based optimization (BBO) algorithm and genetic algorithm (GA) to solve the unit commitment problem incorporating the wind energy (UCIW) uncertainty. Unit commitment (UC) problem is mainly finding the minimum cost schedule to a set of generators by turning each one either on or off over a given time horizon to meet the demand load and satisfy different operational constraints...
Nowadays the studies of diesel generators are limited to present mechanical dynamic of the process or the electrical one, this is due to the complexity and the high no linearity of the DG. This paper gives a revue of different model which can describe the total dynamic process of the diesel generator. Then a developed model is proposed to study the interaction between the mechanical and electrical...
Most of the commercial river ships dedicated to load transport are propelled by a conventional power train architecture. Two main engines are connected to two propellers, and one or more electrical generators provide the on-board power (electricity, hydraulic pressure ...) to the servitudes. In a lot of operations, the main engines and the auxiliary engines are not employed to their maximum abilities...
This paper discussed the performance analysis of various control strategies used in the dispatch of stored wind energy in remote hybrid wind and diesel power system. When load is connected to the hybrid system there are various types of power quality issues are incurred. Hybrid energy systems have proven their ability over single renewable energy system by using the UPQC. This is proposed methodology...
A 10 kW standalone power generating system is proposed and analyzed for different solar zones of India. The system consists solar PV, diesel generator, batteries and converter. Optimum sizing of diesel generator and solar PV system that fulfills the load demand is obtained by varying the capacity of diesel generator and solar PV system components individually. For system sizing, Hybrid Optimization...
It is obvious that power flow study and analysis are important to any kind of electrical power system engineering. The main purpose of this research paper is to study and analyze the power flow and system stability of the 24.6 MW Diesel Power Plant (DPP) which is the cement manufacture located in Cambodia at 6.9 kV bus using the commercial electrical transient analysis program called ETAP. Such a...
This paper presents a novel solution of convex and non-convex economic load dispatch (ELD) problem of small scale thermal power system using a hybrid soft computing approach. The solution method involves a combination of Particle Swarm Optimization (PSO) and Ant Colony Optimization (ACO) algorithms where the latter is used to tune the solution obtained by the former towards finding global optima....
Constraint management is one of the critical tasks for ensuring secure operation of power supply systems and is generally formulated and solved as an optimal power flow (OPF) problem with generation scheduling and voltage set point controls. In case of severe contingencies, conventional OPF methods may fail to converge, i.e. find solution satisfying all constraints. In such cases, network operators/planners...
We are developing a range extended electric vehicle using a diesel engine electric generator with plant (vegetable) oil (named as bio EV). The vehicle design concept is a series hybrid electric vehicle. A diesel engine rotates a DC motor by using plant oil to generate electricity, and the developed vehicle runs by using the generated electricity. It is possible to run a long distance without refueling,...
The presented analysis carried out for the safety assessment of the Passive Residual Heat Removal System of secondary side (PRS), one of the Severe Accident Mitigating System of K-2/K-3 Nuclear power plants. Preliminary analysis of the PRS is carried out using computer code MELCOR, which is a thermal hydraulic code that models the progression of severe accidents in light water nuclear power plants...
This paper proposes an improved Cuckoo search algorithm to solve optimal power flow problems in electric power system. The proposed Self-learning Cuckoo search algorithm enhances the performance of Cuckoo eggs by employing the learner phase of Teaching-learning-based optimization. The learner phase leads Cuckoo eggs to follow better solutions. The proposed method has been applied for solving optimal...
This paper presents an optimized energy management system (OEMS) to control the microgrid of a remote temporary military base featuring the diesel generators, the battery energy storage system (BESS) and photovoltaic panels (PV). The information of the expected electric demand is suitably used to improve the sizing and management of the BESS. The OEMS includes power electronics to charge the batteries...
Nowadays the propulsion electrification of ships is under intensive research. During this course, a very attractive option is the use of shaft electric machines, which is an intermediate step between the classic ship configuration and the all-electric one. However, two problems arise: (1) power dispatch should be carried out based on the Lagrange method or dynamic models, instead of simplistic methods...
Energy storage has been discussed in the electricity industry for many years. Today, energy storage enjoys a growing sense of promise, as many expect it will become a viable part of the electric system over the next decade. However, there are still very real challenges to the cost-effective deployment of storage solutions. The work described in this paper highlights the advantages of techno-economical...
Lebanon imports fuel oil to generate around 94% of its electrical power accompanied with high import fuel price, high losses which lead to electricity outages and environmental degradation. The electricity sector suffers from frequent power blackout of 3 to 16 hours per day in all cities in the country. More than 39% of electricity is generated from private diesel generators. Lebanon's geographic...
Lebanon has a significant potential for the installation of photovoltaic systems. This technology of renewable energy is ecological, supplants other sources of energy and is widely attainable. The objective of this paper is to examine and evaluate the performance of an installed PV generator during three years 2013–2015. This case study of the integration of 56 kWp at the Industrial Research Institute...
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