Research Article Renewable Energy Resources and Technologies
1. Applying Sliding-Mode Control to a Double-Stage Single-Phase Grid-Connected PV System

Seyed Ali Akbar Fallahzadeh; Navid R. Abjadi; Abbas Kargar; Frede Blaabjerg

Volume 8, Issue 1 , Winter 2021, Pages 1-12

http://dx.doi.org/10.30501/jree.2020.233358.1114

Abstract
  This study investigates a new double-stage single-phase Grid-Connected (GC) Photo-Voltaic (PV) system. This PV system includes a DC-DC Positive Output Super Lift Luo Converter (POSLLC) and a single-phase inverter connected to a grid through an RL filter. Due to its advantages, the POSLLC was used between ...  Read More

Research Article Renewable Energy Resources and Technologies
2. Optimization of Performance of Coarse Aggregate-Assisted Single-Slope Solar Still via Taguchi Approach

Ramasamy Dhivagar; Murugesan Mohanraj

Volume 8, Issue 1 , Winter 2021, Pages 13-19

http://dx.doi.org/10.30501/jree.2020.232742.1112

Abstract
  In this experimental work, the energy efficiency and performance parameters of a coarse aggregate-assisted single-slope solar still were analyzed using Taguchi analysis. The preheated inlet saline water was sent to the solar still using thermal energy accumulated in coarse aggregate to enhance its productivity ...  Read More

Technical Note Renewable Energy Resources and Technologies
3. Assessing and Evaluating Reliability of Single-Stage PV Inverters

Aryan Tabrizi; Mehdi Rahmani

Volume 8, Issue 1 , Winter 2021, Pages 20-27

http://dx.doi.org/10.30501/jree.2020.237113.1123

Abstract
  Reliability is an essential factor in Photovoltaic (PV) systems. Solar power has become one of the most popular renewable power resources in recent years. Solar power has drawn attention because it is free and almost available worldwide. Moreover, the price of maintenance is lower than other power resources. ...  Read More

Research Article Renewable Energy Economics, Policies and Planning
4. Solar PV Power Plant Site Selection Using GIS-FFDEA Based Approach with Application in Iran

Aychar Khajavi Pour; Mohammad Reza Shahraki; Faranak Hosseinzadeh Saljooghi

Volume 8, Issue 1 , Winter 2021, Pages 28-43

http://dx.doi.org/10.30501/jree.2020.230490.1110

Abstract
  Photovoltaic energy is a good alternative to fossil fuels due to the abundance of solar energy. In this research, the criteria for locating photovoltaic solar power plants were identified using previous studies and experts’ views and by using the Delphi method based on five socioeconomic, topographic, ...  Read More

Research Article Renewable Energy Economics, Policies and Planning
5. Laudable Intentions, Parochial Thinking: Climate Change, Global Warming and Clean Energy Concerns in Investment Decisions Regarding Renewable Energy Projects in Poland

Paulina Krystosiak

Volume 8, Issue 1 , Winter 2021, Pages 44-48

http://dx.doi.org/10.30501/jree.2020.222916.1090

Abstract
  The issue of renewable energy is an important one in Poland. The Polish economy heavily relies on coal. Polish cities are among the most polluted in Europe. Therefore, there is a considerable societal support for renewable energy projects. Some people, however, keep having objections, e.g. to windfarms. ...  Read More

Research Article Advanced Energy Technologies
6. Hydrogen Recovery in an Industrial Chlor-Alkali Plant Using Alkaline Fuel Cell and Hydrogen Boiler Techniques: Techno-Economic Assessment and Emission Estimation

Leila Samiee; Fatemeh Goodarzvand-Chegini; Esmaeil Ghasemikafrudi; Kazem Kashefi

Volume 8, Issue 1 , Winter 2021, Pages 49-57

http://dx.doi.org/10.30501/jree.2020.236413.1124

Abstract
  Some chemical processes, like the chlor-alkali industry, produce a considerable amount of hydrogen as by-product, which is wasted and vented to the atmosphere. Hydrogen waste can be recovered and utilized as a significant clean energy resource in the processes. This paper describes the thermodynamic ...  Read More

Research Article Environmental Impacts and Sustainability
7. Assessment of the Performance and Exhaust Emission of a Diesel Engine Using Water Emulsion Fuel (WEF) in Different Engine Speed and Load Conditions

Seyed Saeed Hoseini; Mohammad Amin Sobati

Volume 8, Issue 1 , Winter 2021, Pages 58-68

http://dx.doi.org/10.30501/jree.2020.233709.1115

Abstract
  The performance characteristics and exhaust emission of a diesel engine using Water Emulsion Fuel (WEF) have been investigated under different engine speeds (1600 to 2400 rpm) and load conditions (25 to 100 %). The experiments were carried out on an air-cooled diesel engine of single cylinder using the ...  Read More

Research Article Renewable Energy Resources and Technologies
8. Development of a Model for Estimation of Sunshine Hour Data for Different Regions of Uganda

Muhamad Mustafa Mundu; Stephen Ndubuisi Nnamchi; Onyinyechi Adanma Nnamchi

Volume 8, Issue 1 , Winter 2021, Pages 69-76

http://dx.doi.org/10.30501/jree.2020.235651.1119

Abstract
  The present study is concerned with the development, estimation and validation of sunshine hours models (SHM) in Uganda. The SHM is based on geographical (latitude) and climatological (clearness index) indices. The meteosat data (1984-2018) acquired from the National Aeronautics and Space Administration ...  Read More