scholarly journals Hydrogen production using solar energy

2021 ◽  
Vol 937 (4) ◽  
pp. 042042
Author(s):  
A Abdurakhmanov ◽  
Yu Sabirov ◽  
S Makhmudov ◽  
D Pulatova ◽  
T Jamolov ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Solar Energy ◽  
Aqueous Solutions ◽  
Radiant Energy ◽  
Infrared Camera ◽  
Electrical Energy ◽  
The Sun ◽  
Photovoltaic Panels ◽  
Sodium And Potassium

Abstract Our paper presents a method for producing green hydrogen by electrolysis of water using solar energy. The required electrical energy for electrolysis of water is obtained from the radiant energy of the sun using a 10 kW photovoltaic station, assembled from individual photovoltaic panels with dimensions 1x2 m in the amount of 30 pcs. FES consists of 30 modules and each of them is checked with an infrared camera during operation in order to check the operability of each element. Comparative characteristics of the current of formation in the electrolyzer of aqueous solutions of sodium and potassium alkalis are given.

scholarly journals Analisis Kemampuan Panel Surya Monokristalin 150 Watt pada Arus dan Pengisian yang Dihasilkan

2019 ◽  
Vol 3 (1) ◽  
pp. 29-35
Author(s):  
M Barkah Salim ◽  
Nurlaila Rajabiah
Keyword(s):  
Data Collection ◽  
Solar Energy ◽  
Research Method ◽  
Electrical Energy ◽  
The Sun ◽  
Solar Panels ◽  
Open Area ◽  
A Priority ◽  
The Many

The sun is a source of energy that cannot be used up. Therefore, the utilization of solar energy must be a priority. With the many types of solar panels that have been developed, researchers conducted an analysis of 150 watt monocrystalline solar panels. The purpose of this study is to know the amount of current and voltage produced by solar panels in some conditions of the sky, namely cloudy, bright cloudy, and bright. The research method used was the experiment. From the data that has been obtained, it can be found that the energy produced by solar panels during cloudy ranges from 0.6-0.8 amperes, when it is cloudy, 0.9-1.9 amperes, and when bright 2.0-3.2 amperes. The amount of electrical energy that can be produced is 8%. However, if the sunny state can produce twice that Suggestions for readers are if you want to take data to make sure the solar panels are completely exposed to the sun during data collection and in the open area. Much better if the angle is adjusted in the direction of sunlight.

scholarly journals Design of Solar Tracking System for Capturing Maximum Amount of Solar Energy

2019 ◽  
Vol 8 (12S) ◽  
pp. 145-147
Keyword(s):  
Solar Energy ◽  
Tracking System ◽  
Electrical Energy ◽  
Maximum Amount ◽  
Solar Panel ◽  
Advanced Technology ◽  
The Sun ◽  
Solar Tracking

This paper proposes a design of solar tracking system for capturing maximum amount of solar energy by rotating the solar panel. From sun rise to sun set, the sun changes its direction several times due to which the static solar panel fails to capture maximum solar energy throughout the day. Therefore, it is required to develop a system that is capable of generating electrical energy by making use of maximum amount of solar energy. This paper discloses about the rotatable solar tracking system capable of rotating along the sun direction for tracking maximum amount of solar energy. This advanced technology not only utilize the solar energy more effectively but also improves the efficiency of whole system.

Homogeneous Photoredox System for Hydrogen Production by Solar Energy

1979 ◽  
Vol 34 (9) ◽  
pp. 1135-1139 ◽  
Author(s):  
M. Gohn ◽  
N. Getoff
Keyword(s):  
Hydrogen Production ◽  
Solar Energy ◽  
Aqueous Solutions ◽  
Hydrogen Evolution ◽  
Redox System ◽  
Ph Range

Abstract In a redox system consisting of 5 × 10-5 mol dm-3 Ru(bpy)32+ complex, 4 × 10-3 mol dm-3 methylviologen and 5 × 10-3 mol dm-3 EDTA in aqueous solutions (pH = 3 to 8.5) without catalyst, hydrogen is formed under illumination with light λ > 360 nm. The highest yield was established in the pH-range between 4 and 5. The degradation of the components by prolonged use was studied spectroscopically. For comparison hydrogen evolution was also studied replacing EDTA by TEA or SCN-, respectively, in the above mentioned system.

scholarly journals Design and Implementation of Solar Tree

2019 ◽  
Vol 8 (12S) ◽  
pp. 180-182
Keyword(s):  
Solar Energy ◽  
Energy Production ◽  
Electrical Energy ◽  
The Sun ◽  
Solar Panels ◽  
Design And Implementation ◽  
The Earth ◽  
Sufficient Energy ◽  
The World ◽  
Enormous Amount

The paper is related to the solar energy power generation, more specifically the paper revolves around the topic of solar tree. This paper shows how efficient and important is the solar tree for this generation. This presents how solar trees converts the solar energy into electrical energy. Sunlight irradiates daily and blasts out an enormous amount of solar energy towards the earth, the total energy that is received from the sun is more than enough for humanity to run for many years, still the received solar energy is not harnessed properly and hence there is not sufficient energy production in the world. Since solar panels are the efficient method nowadays for generating electrical energy from the solar energy, but solar panels requires lot of space to install. Hence this paper solve this problem by using solar tree that is mounting of solar panels on artificial tree..

scholarly journals Determination of the amount of solar energy perceived by a spherical tubular collector

2021 ◽  
Vol 2021 (2) ◽  
pp. 53-55
Author(s):  
Yu.M. Matsevytyi ◽  
◽  
M.O Safonov ◽  
Y.M. Bushtets ◽  
◽  
...  
Keyword(s):  
Solar Energy ◽  
Surface Area ◽  
Solar Collector ◽  
Radiant Energy ◽  
The Sun ◽  
Know How

Spherical solar tubular collector (SSTK) was invented in A. Pidgorny IPMash. as an alternative to the solar flat collector to convert the radiant energy of the Sun into heat. To understand the efficiency of a collector, it is important to know how much energy it can take. A methodology for calculating the amount of heat perceived by the collector has been developed. The surface area of a spherical tubular collector illuminated by the Sun using proposed methodology was determined. The amount of heat received by the solar collector for each day of the year was estimated. The total amount of heat received by SSTK in Kharkiv during the year was defined. Keywords: solar energy, spherical solar tubular collector, amount of heat

scholarly journals Analisa dan Perbandingan PLTS on Grid yang Terpasang di Atap Gedung Utama PT Subur Semesta dengan Plts On Grid yang Bergerak Mengikuti Arah Matahari

2020 ◽  
Vol 3 (2) ◽  
pp. 57
Author(s):  
Deni Almanda ◽  
Moh Akhsin Zaenal Muttaqin
Keyword(s):  
Solar Energy ◽  
Alternative Energy ◽  
Electrical Energy ◽  
Electricity Demand ◽  
The Sun ◽  
Solar Module ◽  
Electrical Output

Berdasarkan Permasalahan kebutuhan listrik di kalangan industri maka energi surya di pilih sebagai salah satu energi alternatif untuk menghasilkan energi listrik. Energi surya yang di hasilkan di siang hari bisa membuat penghematan daya berdasarkan cara pemasangan modul surya, pemakaian inverter yang sesuai dan instalasi standar yang terpasang. Pemasangan modul surya di atap gedung dengan pemasangan yang mengikuti arah matahari sangat berpengaruh pada energi listrik yang di hasilkan maka dari itu memaksimalkan keluaran listrik dari modul surya sangat di perlukan. Based on the problem of electricity demand in the industry, solar energy is chosen as an alternative energy to produce electrical energy. Solar energy generated during the day can make power savings based on how to install solar modules, use the appropriate inverter and standard installation installed. Installation of solar modules on the roof of the building with an installation that follows the direction of the sun is very influential on the electrical energy produced, therefore maximizing the electrical output of the solar module is very necessary.

scholarly journals SURVEY OF SOLAR ENERGY USAGES & ITS APPLICATIONS IN LIBYA

2020 ◽  
Vol 8 (12) ◽  
pp. 346-351
Author(s):  
Abdalfettah Aljedk ◽  
Keyword(s):  
Solar Cells ◽  
Solar Energy ◽  
Electrical Energy ◽  
Production Costs ◽  
Fuel Oil ◽  
The Sun ◽  
Environment Friendly ◽  
Factors Affecting ◽  
Solar Systems ◽  
Hot Climate

Due to its hot climate of Libya, especially in the summer and the length of the radiation of the Sun throughout the year and increasing degree of radiation of the Sun year after year because of other factors, and also the adoption of Libya in power generation on oil and that prices may vary, either as it becomes a large popularity, leading to a rapid depletion in Libya, and either rise, leading to higher energy production costs , It was necessary to use renewable energies of Libya and most of this renewable energy is solar energy. Whereas the annual average solar radiation on a horizontal surface (m2) between 5.5 kWh per day on the coastline of Libya and 7 kWh per day, of southern areas and also a lifetime of sunshine during the year up to approximately 3100 hours in the coastline and 3900 hours to the South. According to this research, the most important objectives required to achieve are production of electricity at the lowest possible cost and environment friendly and take advantage of the massive solar power in Libya.So I have in this research study how to convert solar energy into electrical energy and The expected benefit because of it in Libya, and a focus on cost element in preparation the solar cells, and the most important activities that we can exploit in use of solar energy, and a focus on economic efficiency of solar cells, and also the comparison between the use of solar cells and most stations operating in Libya using fuel oil , We also study solar systems components and factors affecting the performance of the solar cell, and because Libya depends on this heavily, and study of the most important activities and current uses of solar energy in Libya.Accordingly, it was concluded some of the conclusions and recommendations and proposals and some possible solutions that serve this side of the subject.

scholarly journals Dual Axis Solar Tracker Using Astronomic Method Based Smart Relay

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Yuli Prasetyo ◽  
Budi Triyono ◽  
Hendrik Kusbandono
Keyword(s):  
Solar Energy ◽  
Electrical Energy ◽  
Energy Output ◽  
The Sun ◽  
Solar Panels ◽  
Angle Sensor ◽  
Variable Resistor ◽  
Lunar Calendar ◽  
Direction Of Movement ◽  
Solar Tracker

Solar energy is a renewable energy. Solar energy can be utilized using solar panels. The use of solar panels mostly uses static or silent methods. The static method on solar panels cannot produce optimal electrical energy. This is because the intensity of sunlight received by solar panels is less than optimal. So that the resulting electrical energy is not optimal. Therefore we need a system that can control solar panels automatically. this system must also be able to follow the direction of movement of sunlight. This study discusses the dual axis solar tracker using smart relay-based astronomical methods. This study adjusts the angle of the solar panels to determine the movement of the sun. This study uses a smart relay to regulate the rotation of the DC motor (Linear Actuator) and the motor power window which functions as a driving force for solar panels. Astronomical method is used for tracking sunlight. This method is based on the position of the sun according to the lunar calendar. This method uses an angle sensor in the form of a variable resistor for elevation and a rotary encoder as an azimuth angle sensor. The results obtained from this study are the optimal electrical energy output from solar energy.

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