Renewable Energy Resources and Technologies
Improvement of Frequency Stability in the Power System Considering Wind Turbine and Time Delay

Farhad Amiri; Mohammad Hassan Moradi

Articles in Press, Corrected Proof, Available Online from 06 August 2022

https://doi.org/10.30501/jree.2022.321859.1308

Abstract
  In the power system, frequency stability is critical. The wind turbine oscillates (depending on the wind speed) and is of low inertia. Thus, wind turbines face the issue of power system frequency stability. Since the power system's resources are interconnected via communication networks, the presence ...  Read More

Renewable Energy Resources and Technologies
Multiobjective Design Optimization of a Multi-Phase Outer-Rotor Permanent Magnet Wind Generator

Ali Ebadi; Ali Akbar Abdoos; Mohammad Ebrahim Moazzen; Sayyed Asghar Gholamian

Articles in Press, Accepted Manuscript, Available Online from 20 June 2022

https://doi.org/10.30501/jree.2022.317176.1287

Abstract
  Nowadays, the permanent magnet (PM) generator has become a large market for wind power, due to their high performance. In this study, an optimal design is established to provide a cost-effective multiphase outer-rotor PM wind generator (OR-PMWG). The generation system (generator and power converter) ...  Read More

Renewable Energy Resources and Technologies
Numerical Modeling and Evaluation of a Downwind Pre-Aligned Wind Turbine with an Innovative Blade Geometry Concept

Amirhosein Zare; Esmail Mahmoodi; Mohsen Boojari; Ali Sarreshtehdari

Articles in Press, Corrected Proof, Available Online from 04 September 2022

https://doi.org/10.30501/jree.2022.306692.1264

Abstract
  Significant growth of the wind power market has led to a dramatic increase in the scale and capacity of wind turbines over the past decades. As these extreme-scale structures are expected to pose a wide range of challenges, an innovative concept which both lightens blade's mass and improves their aerodynamic ...  Read More

Renewable Energy Resources and Technologies
Control of Pitch Angle in Wind Turbine Based on Doubly Fed Induction Generator Using Fuzzy Logic Method

Ehsan Hosseini; Neda Behzadfar; Mahnaz Hashemi; Majid Moazzami; Majid Dehghani

Volume 9, Issue 2 , May 2022, , Pages 1-7

https://doi.org/10.30501/jree.2021.293546.1226

Abstract
  Wind turbines can be controlled by controlling the generator speed and adjusting the blade angle and the total rotation of a turbine. Wind energy is one of the main types of renewable energy and is geographically extensive, scattered and decentralized and is almost always available. Pitch angle control ...  Read More

Renewable Energy Resources and Technologies
Performance of Microtabs and Trailing Edge Flaps in Wind Turbine Power Regulation: A Numerical Analysis Using WTSim

Alireza Maheri; I Kade Wiratama; Terence Macquart

Volume 9, Issue 2 , May 2022, , Pages 18-26

https://doi.org/10.30501/jree.2021.291397.1220

Abstract
  The effectiveness of trailing-edge flaps and microtabs in damping 1P-3P loads has been proven through a series of research work during the past decade. This paper presents the results of an investigation into the effectiveness of these devices in power enhancement and power control for responding to ...  Read More

Renewable Energy Resources and Technologies
Sensorless FCS-MPC-Based Speed Control of a Permanent Magnet Synchronous Motor Fed by 3-Level NPC

Sajad Saberi; Behrooz Rezaie

Volume 8, Issue 2 , April 2021, , Pages 13-20

https://doi.org/10.30501/jree.2020.234039.1118

Abstract
  This paper presents a sensorless speed control algorithm based on Finite Control Set Model Predictive Control (FCS-MPC) for Permanent Magnet Synchronous Motor (PMSM) fed by a 3-level Neutral-Point Clamped (NPC) converter. The proposed scheme uses an anti-windup Proportional-Integral (PI) controller concept ...  Read More

Renewable Energy Resources and Technologies
Adaptive Robust Control Design to Maximize the Harvested Power in a Wind Turbine with Input Constraint

Hossein Dastres; Ali Mohammadi; Behrooz Rezaie

Volume 7, Issue 4 , October 2020, , Pages 30-43

https://doi.org/10.30501/jree.2020.224180.1093

Abstract
  This paper deals with the problem of maximizing the extracted power from a wind turbine in the presence of model uncertainties and input saturation. An adaptive second-order integral terminal sliding mode speed control method is utilized to address this problem. The presented method benefits from the ...  Read More

Renewable Energy Resources and Technologies
Design and Analysis of a Combined Savonius-Darrieus Wind Turbine for Irrigation Application

Mahdi Shahmari; Payam Zarafshan; Shahriar Kouravand; Morteza Khashehchi

Volume 7, Issue 3 , July 2020, , Pages 80-86

https://doi.org/10.30501/jree.2020.223382.1092

Abstract
  Renewable energies as a clean replacement resource of fossil fuels have many advantages, among which wind has the potential to be the very applicable source in the world. To use wind energy, two kinds of turbines have been developed; the Vertical Axis Wind Turbine (VAWT) and Horizontal Axis Wind Turbine ...  Read More

Renewable Energy Resources and Technologies
Effect of Platform Surge Motion on the Performance of 5MW NREL Offshore Floating Wind Turbine

Saeed Karimian Aliabadi; Sepehr Rasekh

Volume 6, Issue 1 , February 2019, , Pages 8-14

https://doi.org/10.30501/jree.2019.95553

Abstract
  In this study, an unsteady aerodynamic simulation is performed to realize the influences of platform surge motion on the aerodynamic performance of a high capacity offshore floating wind turbine. A dynamic model with pitch angle control system is utilized to propose a more realistic model of wind turbine ...  Read More