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The modeling, simulation and analysis of the energy conversion equations describing the behavior of a hybrid system PV and wind turbine, hybrid system for electrical power generation. A numerical model based on the aforementioned equations was developed, coded and results were compared to experimental data. The model is intended to be used as an optimization and design tool for such hybrid systems...
The smart city paradigm provides multiple benefits for citizens in the efficiency and environmental fields, but also represent a prerequisite for finding new, sustainable energy resources. The answer to these challenges can be the microgrid. This paper proposes a microgrid structure with a 11kW PV panel, a 500W wind turbine and one household. The generation part is modelled and validated with real...
This paper aims at developing a Phase Locked Loop (PLL) based grid integration of wind driven three phase induction (3PIG) generator. The dynamic model of wind driven induction generator along necessary power converters is evolved in Matlab/Simulink. The system functionality is analyzed for different wind velocities. The synchronous reference frame PLL (dq/SRF PLL) synchronizes the grid and the system...
In the multi-MW wind turbine market, the maximum power rating of a commercial wind turbine has been increased more than 5MW with a view to generate more power from Wind Power Sites [1]. The three-level neutral-point-clamped voltage-source converter has been highly applied in wind generation system. Despite the advantages, the capacitor voltage unbalancing in NPC converters has become a burning issue...
Grid faults constitute the main challenge for distributed generation, especially permanent magnet synchronous generator (PMSG)-based wind turbines connected to the grid via back-to-back (BTB) converters. On the other hand, grid codes enforced wind turbines to aid network and accomplish low-voltage ride-through (LVRT) requirements during grid faults. DC-link overvoltage suppression without external...
This paper discussed the detailed electrical model of gearless variable speed wind energy conversion system (WECS) with permanent magnet synchronous generator (PMSG) to accomplish the optimal power flow and maximum power transfer to the distribution grid. PMSG based WECS system has reduce the hardware complexity of speed regulation and their control so it's more reliable and more efficient than doubly...
This paper presents the design of a micro-grid with permanent magnet brushless DC (PMBLDC) generator based wind energy conversion system (WECS) and Solar PV along with stand-alone loads. The output of the PMBLDC is converted to a controlled DC bus voltage using a PWM rectifier through which independent real and reactive power control are achieved. This DC bus is common to both solar PV and WECS. A...
In this paper, we propose a new strategy for Direct Torque Neural Network Control, compatible with a voltage inverter three level and exploit artificial intelligence tools namely: neural networks. In addition, the use of multi-level inverter and the artificial techniques contribute to improved performance of the control of the wind energy conversion system. In fact, the use of (multilevel converter)...
New applications of storage systems are considered in order to contribute to a more secure and reliable operation of AC offshore networks. The management of the offshore AC collection network is carefully studied and various possibilities to implement vital operating functions by the storage system are developed. Issues are the control design of the storage system, impact analysis of the existent...
The recent makeshift in fuel choice, renewable energy sources has been considered as the most popular form of its kind because of its environment friendly approaches, less cost tariff policy and the natural fuel abundance. This inclusion in power system promotes Micro-grid system to optimize the overall distribution. FPGA, elaborated as Field Programmable Gate Array, proposes chances for enhanced...
The wind generation system treated in this paper is composed of a fixed pitch angle wind turbine followed by a Permanent Magnet Synchronous Generator (PMSG) and power electronic converters AC-DC-AC which are coupled to a DC link. This work deals with the control of the inverter in order to ensure a constant DC link voltage. The control design is based on Takagi Sugeno fuzzy model. Stability analysis...
This paper describes a current control of the three-phase inverter in a stand-alone wind energy system using model predictive control (MPC). The system includes a wind turbine without the use of a gearbox, a permanent magnet synchronous generator (PMSG), a pure diode based three-phase rectifier and a three-phase voltage-source two-level inverter. The simulation results obtained by using MATLAB/Simulink...
This paper presents a simulation of wind turbine driven by a Doubly-Fed Induction Generator (DFIG), the rotor is fed through a two level inverter using Space Vectors Pulse Width Modulation (SVM). LabVIEW and Multisim are used to co-simulate the control and power electronics steps respectively. The thermal models of Multisim are used in order to analyze the thermal performance of IGBTs under different...
Recently, global attention to distributed generation (DG) is increasing due to their potential advantages and merits. Between various sources, microturbines (MTs) as one of the most reliable have a significant contribution in this regard. This paper is presented dynamic modeling of a microturbine generation (MTG) system with a new passive filter topology. MTG configuration is consists of a permanent...
The paper suggests an adaptive control of the wind permanent magnet synchronous generator (PMSG) driven by a variable speed wind turbine. Processes in wind generator have been studied using a mathematical model. The results show suitability of using adaptive control using Optimal Singular Adaptive (OSA) observer. A basic distinctive feature of OSA observer is the simultaneous estimation of the initial...
This paper focuses on the development of Stand Alone hybrid Wind-Solar Photovoltaic system where energy storage device is used for voltage control. The system is modelled considering dynamic wind speed and solar irradiance level. Both wind and solar grids are connected at dc link where energy storage system is installed for voltage control. Wind power is harnessed by Permanent magnet synchronous generator(PMSG)...
In the present scenario energy resources are being used at an alarmingly high rate. In order to ensure that younger generations are not deprived of their energy usage, India now considers wind and solar as an alternative for future energy demands. In India incidence of solar energy in land area alone is 5000 trillion kilowatt hours which exceeds the energy outcome of all possible non renewable energy...
The sun and wind based generation are well-thoroughly considered to be alternate source of green power generation which can mitigate the power demand issues. As sun powered and wind power advancements are entrenched and the infiltration of these Renewable Energy Sources (RES) into to network is expanding dynamically, testing errand is to keep up the voltage and frequency of the power generated from...
In this paper a permanent magnet synchronous generator based wind energy conversion system (WECS) with 2 level back to back converter under normal and fault condition on grid side is studied by using two effective controllers i.e tip speed ratio (TSR) and Fuzzy logic control (FLC) for maximum power extraction. The control schemes are used to track maximum generator power and to protect the wind turbine...
This paper presents a model of hybrid energy system (HES) consisting of wind energy system (WES) and solar photovoltaic (PV) solar system connected with the grid and its performance is examined under load variation and systems input parameters. A centralized DC bus Architecture power generation is used for the proposed HES that includes a Shockley diode equation PV array and wind turbine driven by...
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