فهرس المقالات WECS

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  1 - Reinforcement Learning Based PID Control of Wind Energy Conversion Systems
  Mohammad Esmaeil akbari Noradin Ghadimi
  In this paper an adaptive PID controller for Wind Energy Conversion Systems (WECS) has been developed. Theadaptation technique applied to this controller is based on Reinforcement Learning (RL) theory. Nonlinearcharacteristics of wind variations as plant input, wind tur أکثر

  In this paper an adaptive PID controller for Wind Energy Conversion Systems (WECS) has been developed. Theadaptation technique applied to this controller is based on Reinforcement Learning (RL) theory. Nonlinearcharacteristics of wind variations as plant input, wind turbine structure and generator operational behaviordemand for high quality adaptive controller to ensure both robust stability and safe performance. Thus, areinforcement learning algorithm is used for online tuning of PID coefficients in order to enhance closed loopsystem performance. In this study, at start the proposed controller is applied to two pure mathematical plants,and then the closed loop WECS behavior is discussed in the presence of a major disturbance. تفاصيل المقالة
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  2 - Hybrid Fuzzy-PI Control of DFIG Power Associated With a Variable Speed Wind Energy Conversion System
  Hedayat Akhbari Javad Mashayekhifard
  The rotor side converter (RSC) controls active and receptive powers at the stator side of DFIG. The turbine current in axis d (id) is modeled utilizing the parameters of a 660 kW wind turbine. The appraised wind speed within the specified wind turbine is 15 (m/s) and th أکثر

  The rotor side converter (RSC) controls active and receptive powers at the stator side of DFIG. The turbine current in axis d (id) is modeled utilizing the parameters of a 660 kW wind turbine. The appraised wind speed within the specified wind turbine is 15 (m/s) and the wind cut-in and cut-out speed is 4 (m/s) and 25 (m/s) individually. In this paper, we utilized tuning the hybrid fuzzy PI controller based on the Mamdani inference system and selecting the triangular membership functions, and compare with three strategies. The proposed strategy is way better than a conventional PID controller, fuzzy logic, and hybrid fuzzy-PI controllers with Gaussian membership functions for active and reactivepower control. Simulation and comparison think about are utilized to appear the effectiveness of the proposed hybrid fuzzy-PI controllers with triangular membership functions and fewer errors, ripple, and overshoot have been gotten. تفاصيل المقالة
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  3 - A Fuzzy Controlled PWM Current Source Inverter for Wind Energy Conversion System
  Mehrnaz Fardamiri Seyed Zeinolabedin Moussavi
  In recent years, there has been a fast growth in wind energy conversion system (WECS). There are two general types of wind turbines in WECS: fixed speed wind turbines and varying speed wind turbines.Permanent magnet synchronous generator (PMSG) is one of the most attrac أکثر

  In recent years, there has been a fast growth in wind energy conversion system (WECS). There are two general types of wind turbines in WECS: fixed speed wind turbines and varying speed wind turbines.Permanent magnet synchronous generator (PMSG) is one of the most attractive generators for the varying speed turbine WECS.In this paper, a fuzzy controller is proposed to control the current source inverter (CSI) in a wind energy conversion system (WECS) based on permanent magnet synchronous generator (PMSG). The fuzzy controller guarantees the unity power factor operation of CSI. In order to drive CSI the space vector switching (SVM) is utilized. In addition, the WECS has a buck converter which regulates the DC current so that the maximum power point tracking is achieved. The proposed system is implemented in MATLAB/SIMULINK, and the results are provided and compered with the traditional PI controller based systems. The results show that the proposed system is faster than traditional PI controller based systems. تفاصيل المقالة
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  4 - A New Control Method for Smoothing PMSG-based Offshore Wind Farm Output Power
  Navid Ghardash khani
  Nowadays, propagation of wind turbines make challenges to supply safe power to the grid. Because of wind speed changes, supervisors are concerned to wind turbines, be able to produce appropriate electric power during the wind speed changes. As a matter of fact, investor أکثر

  Nowadays, propagation of wind turbines make challenges to supply safe power to the grid. Because of wind speed changes, supervisors are concerned to wind turbines, be able to produce appropriate electric power during the wind speed changes. As a matter of fact, investors are mostly like to invest on offshore wind farms, because of their more stable and continuous wind speed rather than onshore ones. Although offshore wind farms are more reliable than onshore ones, their power control is a very important issue. In this paper a method is presented to control wind farms output power. This method is able to fix wind farm output power even during the wind speed changes. On the other hand by this method, the wind farm is able to operate such as a PV BUS. The proposed wind farm configuration and control system is validated by simulation on Matlab/Simulink software. We also formulate and model the wind turbine, VSC converters of HVDC link and the PMSG generator. Moreover they are modeled and simulated on d-q frame by MATLAB/Simulink. تفاصيل المقالة
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  5 - Power Frequency Control of the Grid using PMSG-Based Wind Farm Connected by HVDC Link Controlled by a New Method Based on Fuzzy Logic Controller
  Ali Mastanabadi Gholamreza Aghajani Davar Mirabbasi
  10.30495/ijsee.2022.1974382.1241
  By development of the power system in presence of the sustainable energies, the issue of grid frequency control is becoming more important. In traditional power systems, the frequency is mostly controlled by the hydroelectric power plants. This makes it troublesome in c أکثر

  By development of the power system in presence of the sustainable energies, the issue of grid frequency control is becoming more important. In traditional power systems, the frequency is mostly controlled by the hydroelectric power plants. This makes it troublesome in cases of dry spell or the absence of the hydro power plants. In this paper, a new method based on using wind farm equipped with PMSG, connected through HVDC link and controlled by fuzzy logic controller, is proposed to investigate the feasibility of using wind farms to improve the frequency control performance. The proposed system is tested on a four area grid and simulated in MATLAB /Simulink. It is concluded that the best performance, which is up to 26% improvement in settling time of the frequency deviation, is achieved by the proposed system in comparison to using the traditional control method and using wind farm controlled by conventional controllers. تفاصيل المقالة