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This paper presents the design, modeling and simulation of hybrid power system driven by two sources of renewable energy. The first studied system is a photovoltaic generator, which is a DS-100M model consists of six models connected in series and it is linked to a DC/AC inverter where the MPPT controller, based on the Perturb and Observe technique, is applied. The second one is a small wind turbine...
Motivated by the new feed-in tariffs for electrical power projects generated from renewable energy resources, the present study is investigating the potential of on-grid hybrid solar/wind/Biomass power generation in Egypt. The arrangement is modeled and examined through the environmental and economic prospects. The optimization, sizing and economic assessment of the introduced systems were accomplished...
Hybrid energy systems, combining two or more energy sources into a single system, are a promising way of increasing the efficiency of energy production and demand but the complexity of their management increases when several types of power production are combined on the same site. Several energy demands as electricity, heating and cooling require several generators integrating their production in...
A method for optimal sizing of hybrid system consisting of aPhotovoltaic (PV) panel, diesel generator, Battery banks and load is considered in this paper. To this end a novel approach is proposed. More precisely a methodology for the design and simulation of the behavior of Hybrid system PV-Diesel-Battery banks to electrify an isolated rural site in southern Algeria Illizi (djanet). This methodology...
The renewable energy based DG system is acquiring more attention towards the power industries due to their abundant availability which is cost free and eco-friendly, they are intermittent in nature too, hence the power prediction from one source is dependent. Thus, a hybrid DG system involving wind and solar energies can increase the power prediction over an individual. This paper presents, the DC...
Today recent developments in renewable technology such as wind and photovoltaic systems encourage people to generate electricity with low investment costs. In this manner, this may result in partial reduction in power demand hence import of primary sources may gradually decline as well as foreign dependence on energy. Furthermore this lets decrease power losses in transmission lines by reducing power...
Optimal unit sizing of generation units in small off-grid systems is an important aspect to minimize total annual cost. This can be applied to wind, photovoltaic (PV), and hybrid wind-PV power generating systems to meet power demand for a residential home constructed at a specific site located in remote hilly areas in Turkey's northwest Black Sea coast where no grid extension is available. It is obvious...
Depending on applied criteria, sizing optimization process of renewable energy plants produces different optimal dimensions of the system components. This work presents a sizing algorithm of hybrid solar/diesel/battery system; where the battery depth of discharge (DOD) range setting is considered as a key to guarantee low overall system cost and minimum CO2 emission. Different DOD range setting values...
Diesel generators (DGs) or solar panels are widely used to provide electricity in isolated regions in Morocco. However, the instability of fuel prices and the stochastic nature of renewables imply that these systems cannot effectively supply the load demand with a good reliability. In this paper, an analysis of different energy components was performed in order to have a cost-effective and reliable...
Nowadays, many developing country is enhancing its electricity supply industry to experience deregulation and restructuring to become more straightforward, productive and competitive environment. Changing its structure to retail or wholesale market model is one of the ways in order to carry on the planning towards restructuring. The pool market model is recognized as a conceivable model. It is a safe...
This paper presents the design of a control strategy for Hybrid Photovoltaic — Battery Generator for Onboard Automotive Application. The proposed strategy is based on maximum power point tracking (MPPT) controller using adaptive fuzzy logic approach combined with an energy management supervisor in order to ensure system efficiency under variation of operating conditions: load requirements, meteorological...
Renewable Energy Systems are becoming a common choice for small communities in Canada where the cost of diesel fuel is high. In this paper, a PV/Wind hybrid system is being considered for supplying an electrical load of a Mobile office which is proposed and presented along with relevant statistics. An optimal configuration of different renewable energy system is being obtained. The optimal configuration...
With the development of general aviation, UAVs are increasingly used in all areas of our life. However, electric multi-rotor UAV can't achieve long-endurance, large load transport due to battery energy density. And hybrid power system is a perfect solution to this problem. This paper raised a parameter matching method of the UAV's hybrid power system related to the pulling force, required power and...
This paper presents a hybrid random number generator (HRNG) based on a combination of discrete-time chaotic oscillator and a linear feedback shift register (LFSR). The chaotic oscillator is designed and simulated using a 0.18μm CMOS technology with a supply voltage of 1.8 V. The chaotic dynamics is verified in time domain and analyzed to show the suitable properties of true randomness source. A random...
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...
People are very vulnerable in case of natural disasters. Power grid destruction is a common disaster in these situations. Numerous costumers might easily lose access to electric power and this condition can continue for a long time after the catastrophe. Emergency shelter after occurrence of disasters is usually offered by organizations or governmental emergency administration departments, as a comeback...
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....
Reasonable control of multiple energy forms for load power supply can effectively improve economy and reliability of micro-grid(MG) operation, however, up till now, these two problems of siting hybrid energy systems(HEMS) and scheduling them have been separately solved. In order to bring its flexible power supply capacity into fully play, this paper put forward an algorithm to optimally solve the...
Numerous case studies have been performed on both large and small scale Hybrid Integrated Renewable Energy Systems (HI-RES) over the past decade to ascertain the benefits of combining various forms of renewable and nonrenewable energy sources. Many of these studies have produced test and verification results obtained through iterative simulations, optimization and sensitivity analyses to aid in understanding...
The work describes the modeling and simulation of a renewable energy based hybrid power system in the aspects of improving power quality and system reliability. An Energy Management and Control Unit (EMCU) is also proposed. For meeting the sustained load demands during varying natural conditions, different renewable energy sources and converters need to be integrated with each other. The paper focuses...
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