Paper

Prediction models for density and viscosity of biodiesel and their effects on fuel supply system in CI engines

Biodiesel is a promising non-toxic and biodegradable alternative fuel used in the transport sector. Nevertheless. the higher viscosity and density of biodiesel poses some acute problems when it is used it in unmodified engine. Taking this into consideration. this study has been focused towards two objectives. The first objective is …

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Optimized Design Considering the Mass Influence of an Axial Flux Permanent-Magnet Synchronous Generator With Concentrated Pole Windings

In this paper. the efficiency optimization of an axial flux permanent-magnet synchronous generator with concentrated pole windings is examined for a 3.6 kW 2000 rpm combined heat and power application. Because the efficiency of the machine is important. specific measures are taken in order to reduce losses in the machine: …

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Intelligent Frequency Control in an AC Microgrid: Online PSO-Based Fuzzy Tuning Approach

Modern power systems require increased intelligence and flexibility in the control and optimization to ensure the capability of maintaining a generation-load balance. following serious disturbances. This issue is becoming more significant today due to the increasing number of microgrids (MGs). The MGs mostly use renewable energies in electrical power production …

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Inclusion of Short Duration Wind Variations in Economic Load Dispatch

Randomness of wind speed around a short-durationstable mean value is commonly referred to as short duration wind variation. This paper investigates the effect of substantial windbased capacity inclusion on optimal load dispatch. with the source wind susceptible to short duration variations. Analytical formulation of the economic load dispatch (ELD) problem …

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DSP-Controlled Power Electronic Interface for Fuel-Cell-Based Distributed Generation

The private power producers are increasing rapidly to meet rising load demand in domestic. commercial. and industrial sectors. In this scenario. the distributed generation systems (DGs) play an important role over fossil fuel generation. Among different distributed generation technologies such as fuel cell. wind power. and solar. the fuel-cell-based distributed …

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Optimal geometric design of monolithic thin-film solar modules: Architecture of polymer solar cells

In this study the geometrical optimization of monolithically integrated solar cells into serially connected solar modules is reported. Based on the experimental determination of electrodes0 sheet and intermittent contact resistances. the overall series resistance of individual solar cells and interconnected solar modules is calculated. Taking a constant photocurrent generation density …

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Unit commitment by dynamic programming for microgrid operational planning optimization and emission reduction

This paper presents a 24 hour ahead microgrid power planning using the approach of unit commitment by dynamic programming. The studied system comprises twelve PVbased active generators with embedded storage and three micro gas turbines. Based on the prediction of the energy available from the PV generator. the storage availability. …

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Techno-economic valuation and optimization of integrated photovoltaic wind energy conversion system

Decentralized electricity generation by renewable energy sources offer greater security of supply for consumers while respecting the environment. But the random nature of these sources requires us to develop sizing rules and use these systems to exploit them. This paper proposes an integrated PV wind hybrid system optimization model. which …

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