Articles

The mathematical model of the three-phase grid-side PWM converter in d-q synchronous reference frames is thoroughly investigated. Comparing with the tradition control way of PWM converter. this method doesn’t demand high accuracy of mathematic model. and has little sensitivity of parameter change and the external perturbation. which can control a …

This work has been devoted to modeling. simulation and analysis of a wind turbine operating at variable speed. A stable operation of the wind energy system is obtained with the application of nonlinear Backstepping Adaptive control. The overall operation of the wind turbine and its control system were illustrated by …

In this paper a variable structure control based on a sliding mode control (SMC) of a doubly fed induction generator (DFIG) grid-connected wind energy conversion system. incorporating a maximum power point tracker (MPPT) for dynamic power control has been presented. This structure has been used for reference tracking of active …

In this paper a variable structure control based on a sliding mode control (SMC) of a doubly fed induction generator (DFIG) grid-connected wind energy conversion system. incorporating a maximum power point tracker (MPPT) for dynamic power control has been presented. This structure has been used for reference tracking of active …

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 …

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: …

The increasing development of large-scale offshore wind farms around the world has caused many new technical and economic challenges to emerge. The capital cost of the electrical network that supports a large offshore wind farm constitutes a significant proportion of the total cost of the wind farm. Thus. finding the …

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 …

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 …

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 …