Research Article 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

http://dx.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

Research Article Environmental Impacts and Sustainability
Environmental and Economic Sustainability Assessment of Rainfed Agro-Systems in Northern Iran

Alireza Taheri-Rad; Abbas Rohani; Mehdi Khojastehpour

Volume 9, Issue 2 , May 2022, Pages 8-17

http://dx.doi.org/10.30501/jree.2021.287947.1212

Abstract
  Environmental and economic aspects are two remarkable pillars toward a sustainable agro-system. Accordingly, this study aimed to assess the sustainability of autumn rainfed agro-systems in northern Iran by the Eco-Efficiency (EF) indicator. The data of the production processes of wheat, barley, canola, ...  Read More

Research Article 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

http://dx.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

Research Article Renewable Energy Resources and Technologies
Dynamic Simulation of Solar-Powered Heating and Cooling System for an Office Building Using TRNSYS: A Case Study in Kerman

Hadi Farzan

Volume 9, Issue 2 , May 2022, Pages 27-36

http://dx.doi.org/10.30501/jree.2021.310980.1272

Abstract
  Recently, novel techniques have been developed in building industries to use solar heating and cooling systems. The current study develops a Solar-powered Heating and Cooling (SHC) system for an office building in Kerman and assesses the transient dynamics of this system and office indoor temperature. ...  Read More

Research Article Advanced Energy Technologies
Analytical Approach to Exploring the Missing Data Behavior in Smart Home Energy Consumption Dataset

Purna Prakash Kasaraneni; Pavan Kumar Yellapragada Venkata

Volume 9, Issue 2 , May 2022, Pages 37-48

http://dx.doi.org/10.30501/jree.2021.313536.1277

Abstract
  Smart homes are considered to be the subset of smart grids that have gained widespread popularity and significance in the present energy sector. These homes are usually equipped with different kinds of sensors that communicate between appliances and the metering infrastructure to monitor and trace the ...  Read More

Research Article Advanced Energy Technologies
Multi-Response Optimization of Tubular Microbial Fuel Cells Using Response Surface Methodology (RSM)

Maryam Keshavarz; Davod Mohebbi-Kalhori; Vajihe Yousefi

Volume 9, Issue 2 , May 2022, Pages 49-58

http://dx.doi.org/10.30501/jree.2022.290677.1218

Abstract
  Response surface methodology is employed to statistically identify the significance of three parameters of separator assembly arrangement, wastewater flow rate, and relative flow patterns of anode and cathode influencing the generation of power and coulombic efficiency of Microbial Fuel Cells (MFCs). ...  Read More

Research Article Advanced Energy Technologies
Reduction of Low Frequency Oscillations Using an Enhanced Power System Stabilizer via Linear Parameter Varying Approach

Vahid Nazari; Mohammad Hossein Mousavi; Hassan Moradi CheshmehBeigi

Volume 9, Issue 2 , May 2022, Pages 59-74

http://dx.doi.org/10.30501/jree.2021.306909.1265

Abstract
  Over the past decades, power engineers have begun to connect power grids to other networks such as microgrids associated with renewable units using long transmission lines to provide higher reliability and greater efficiency in production and distribution besides saving resources. However, many dynamic ...  Read More

Research Article Renewable Energy Resources and Technologies
CFD Analysis of the Most Favorable Gap Between the Main Runner and Booster Runner of Gravitational Water Vortex Turbine

Bharosh Kumar Yadav; Amit Chandra Jyoti; Pintu Kr. Rajak; Ramesh Kr. Mahato; Deelip Kr. Chaudhary; Mehdi Jahangiri; Ram Dayal Yadav

Volume 9, Issue 2 , May 2022, Pages 75-81

http://dx.doi.org/10.30501/jree.2022.298216.1237

Abstract
  The Gravitational Water Vortex Power Plant (GWVPP) is a power generation system designed for ultralow head and low flow water streams. Energy supply to rural areas using off-grid models is simple in design and structure and sustainable to promote electricity access through renewable energy sources in ...  Read More

Research Article Advanced Energy Technologies
Sustainability and Environmental Impact of Hydroxy Addition on a Light-Duty Generator Powered with an Ethanol–Gasoline Blend

Padmanabhan Sambandam; Parthasarathy Murugesan; Mohamed Iqbal Shajahan; Balaguru Sethuraman; Hussein Mohamed Abdelmoneam Hussein

Volume 9, Issue 2 , May 2022, Pages 82-92

http://dx.doi.org/10.30501/jree.2021.299136.1241

Abstract
  Environmental sustainability encompasses various problems including climate change, clean air, renewable energy, non-toxic environments, and capacity to live in a healthy community. Many researchers focus their attention on alternative energy sources, such as ethanol and hydroxy gas, to enhance environmental ...  Read More

Technical Note Renewable Energy Economics, Policies and Planning
Policy Model of Renewable Energy Development in Iran’s Agriculture Sector

Somayeh Dehhaghi; Shahla Choobchian; Barat Ghobadian; Homayon Farhadian

Volume 9, Issue 2 , May 2022, Pages 93-106

http://dx.doi.org/10.30501/jree.2022.311064.1273

Abstract
  The purpose of this study is to present a renewable energy policy model in the agricultural sector of Iran. To achieve this goal, a questionnaire consisting of 57 items was designed. The reliability of the questionnaire was confirmed by Cronbach's alpha (0.916). Also, to analyze the validity and reliability ...  Read More