scholarly journals Comparative analysis of renewable energy development in the Republic of Buryatia (Russia) and Mongolia

2021 ◽  
Vol 885 (1) ◽  
pp. 012015
Author(s):  
A G Badmaev
Keyword(s):  
Alternative Energy ◽  
Power Plants ◽  
Green Energy ◽  
Fuel Oil ◽  
Hydroelectric Power ◽  
Coal Fuel ◽  
Infrastructure Investments ◽  
The Republic ◽  
Low Efficiency

Abstract The constantly growing demand for electricity and relatively small energy capacities are forcing the Republic of Buryatia (to a greater extent) and Mongolia, which are limited in some types of economic activity, to look for new sources of energy. One of these restrictions is the ban on the construction of hydroelectric power plants on rivers of the Lake Baikal basin. Therefore, Buryatia and Mongolia have taken the path of building environmentally friendly power plants and have succeeded in many ways. Despite the high costs of setting up clean power plants, infrastructure investments in alternative energy are long-term and expected to be profitable. Investors (including foreign ones) placing their money in a seemingly low-profit project, having long-term expectations. Competent investors do not run after “quick money”, realising that the return period of the constructed power plants will be long, as at the moment of development they have a relatively low efficiency. Despite the criticism of some researchers [1], they invest in green energy, modern infrastructure and a future without emissions (CO2, NO2, SO2 and other gases) from burning coal, fuel oil and firewood. Other experts see in the development of alternative energy a great potential [2-5], refuting arguments of critics about high cost of electricity [6].

scholarly journals Formation of a Digital Communicative Environment for the Provision of Energy Services on the Basis of a Climate-Neutral Development

2021 ◽  
Vol 3 (518) ◽  
pp. 44-50
Author(s):  
O. V. Borysiak ◽  
◽  
N. R. Ivanechko ◽  
Keyword(s):  
Alternative Energy ◽  
Power Plants ◽  
Business Processes ◽  
Digital Technologies ◽  
Green Energy ◽  
Energy Sources ◽  
Hydroelectric Power ◽  
Energy Services ◽  
Alternative Energy Sources ◽  
Provision Of Services

The setting of sustainable development goals is directed towards improving the level and quality of life of the population by reducing anthropogenic impact on the environment and transition to a climate-neutral development. One of the ways to address this issue is to popularize alternative energy sources, introduce energy-efficient technologies and energy management. In view of this, the article is concerned with determining the peculiarities of the formation of a communicative environment for the provision of the climate-neutral energy services as result of the use of digital technologies. The expansion of the range of innovative energy services is due to the diversification of energy sources. As a result of the analysis of the dynamics of the development of «green» energetics, on the basis of statistical data, positive dynamics of energy production from renewable sources is established (wind, solar, hydroelectric power plants, biofuels, and waste). In turn, in terms of considering aspects of digitalization of production processes and provision of services, a low level of information and media activities on the possibilities of obtaining «green» energy services by the population is identified. In view of this, the value of using digital technologies such as mobile (social) platforms is increasing. It is proposed, concerning the content component of the formation of a digital communicative environment for the provision of energy services on the basis of climate-neutral development, to use a rating assessment of energy service companies, the level of digitalization of business processes of enterprises and the formation of digital skills among consumers of different segments of the energy market, as well as a cybernetic approach to determining the ability to provide innovative energy services.

Functional Analysis and Exergoeconomic Evaluation for the Combined Production of Electromechanical Power and Useful Heat of a Cogeneration Power Plant

2011 ◽  
Author(s):  
Washington Orlando Irrazabal Bohorquez ◽  
Joa˜o Roberto Barbosa
Keyword(s):  
Power Plant ◽  
Electricity Market ◽  
Sugar Cane ◽  
Power Plants ◽  
Hydroelectric Power Plant ◽  
Sugar Cane Bagasse ◽  
Fuel Oil ◽  
Hydroelectric Power ◽  
The Us ◽  
Electrical Generation

In the Ecuadorian electrical market, several sugar plants, which significantly participate in the local electricity market, are producing their own energy and commercializing the surplus to the electrical market. This study evaluates the integral use of the sugar cane bagasse for productive process on a Cogeneration Power Plant in an Ecuadorian Sugar Company [8]. The electrical generation based on biomass requires a great initial investment. The cost is around US$ 800/kW installed, twice the US$ 400/kW initial investment of conventional thermoelectric power plant and almost equal to the US$ 1,000/kW initial cost of hydroelectric power plant [5]. A thermoeconomic study was carried out on the production of electricity and the sales of the surplus of 27 MWe average produced by the power plant. An operational analysis was made using instantaneous values from the estimated curves of demand and generation of electricity. From the results, it was concluded that the generated electricity costs are 0.0443 US$/kWh, while the costs of the electricity from Fossil Power Plants (burning fuel oil, diesel fuel and natural gas) are in the range 0.03–0.15 US$/kWh and from Hydroelectric Plants are about 0.02 US$/kWh. Cogeneration power plants burning sugar cane bagasse could contribute to the mitigation of climatic change. This specific case study shows the reduction of the prospective emissions of greenhouse gases, around 55,188 ton of CO2 equivalent yearly for this cogeneration power plant.

scholarly journals Personality Trait Effects on Green Household Installations

2018 ◽  
Vol 4 (1) ◽  
Author(s):  
Ante Busic-Sontic ◽  
Cameron Brick
Keyword(s):  
Personality Traits ◽  
Alternative Energy ◽  
Energy Use ◽  
Environmental Concern ◽  
Economic Benefits ◽  
Green Energy ◽  
Big Five Personality ◽  
Household Decision ◽  
Green Investments

Large, one-time investments in green energy installations effectively reduce domestic energy use and greenhouse gas emissions. Despite long-term economic benefits for households, the rate of green investments often remains moderate unless supported by financial subsidies. Beyond financial considerations, green investments may also be driven by individual psychological factors. The current study uses data from the German Socio-Economic Panel (N = 3,468) to analyse whether the household decision to invest in green energy installations is linked to the Big Five personality traits. Personality traits and domestic investments in solar and other alternative energy systems had weak indirect associations through environmental concern but not through risk preferences. Openness to Experience and Neuroticism showed a weak positive relationship with green energy installations through the environmental concern channel, whereas Extraversion had a weak negative link. Based on these findings, persuasive messaging for green investments may be more effective when it focuses on environmental concern rather than reduced risk in countries like Germany, where long-standing financial subsidies decreased the risk in green investments.

From Catastrophe to Recovery: Stories of Fishery Management Success

2019 ◽  
Keyword(s):  
Power Plants ◽  
Fishery Management ◽  
High Price ◽  
Hydroelectric Power ◽  
The Caspian Sea ◽  
Illegal Fishing ◽  
Conservation Measures ◽  
History Of ◽  
Commercially Important

<i>Abstract.</i>—This chapter provides the history of the Caspian Kutum <i>Rutilus kutum</i> (Kamensky 1901) fishery in the Caspian Sea, analyzes long-term changes of stock condition and the main causes of fluctuations in abundance, and describes conservation measures that allowed resumption of fishing. Caspian Kutum (Cyprinidae family) is an endemic, semi-anadromous, medium-sized fish, reaching 53–67 cm in total length (rarely 71 cm) and weighing up to 4.0 kg (rarely 5.0 kg). Commercially important fisheries occur in Russia, Azerbaijan, Iran, and Turkmenistan. Flesh and roe are enjoyed as food and have a high price in markets. Variability in sea level, construction of hydroelectric power plants on rivers, water irrigation withdrawals, industrial and domestic pollution, overfishing, and illegal fishing resulted in a sharp decline of Caspian Kutum abundance and resulted in a total ban on harvest in Russia between 1995 and 2004. In Iran, fishing for Caspian Kutum continued due to their stocking program. Conservation measures for Caspian Kutum stocks (e.g., listing in federal and local Red Data books, fishing ban, fight against illegal fishing), as well as an increase of artificial propagation in Iran, Azerbaijan, and Dagestan (Russia) during subsequent years, have allowed the recovery of stocks in Russian waters to 1990s levels as well as the resumption of fishing. The follow lessons may be applicable to fishery management programs elsewhere:

scholarly journals Prospects of diversification and ensuring energy safety of Uzbekistan

2019 ◽  
Vol 139 ◽  
pp. 01002 ◽  
Author(s):  
Kahraman Allaev ◽  
Tokhir Makhmudov
Keyword(s):  
Renewable Energy ◽  
Energy Balance ◽  
Power Plant ◽  
Nuclear Power Plant ◽  
Energy Security ◽  
Nuclear Power ◽  
Power Plants ◽  
Current State ◽  
The Republic

The data on the current state of energy in Uzbekistan are given. The need to diversify the structure of the energy balance of the republic is shown, which ensures the energy security of the state in the medium and long term. It is argued that the construction of a nuclear power plant in Uzbekistan is not only expedient, but also necessary. In the future, renewable energy and nuclear power plants will become the basis of energy in Uzbekistan.

scholarly journals PEMASANGAN PEMANAS AIR BAK PEMBENIHAN IKAN BERBASIS ARDUINO DAN PLTS UNTUK MENINGKATKAN KETAHANAN PANGAN

Dharma LPPM ◽  
2020 ◽  
Vol 1 (2) ◽  
Author(s):  
I W Jondra ◽  
I M Aryasa Wiryawan ◽  
I G Suputra Widarma ◽  
IGP Mastawan ◽  
I G N A Dwijaya Saputra
Keyword(s):  
Food Security ◽  
Water Temperature ◽  
Power Plants ◽  
Green Energy ◽  
Security Threat ◽  
Water Heaters ◽  
Green Tourism ◽  
The Republic ◽  
The Government ◽  
Construction Operation

The Covid-19 pandemic was accompanied by food security threat, due by economic disruptions. The pandemic and the winter is increasingly food security threat in Desa Lumbung, Selemadeg Barat, Tabanan, Bali. In Bali, winter usually occurs between July and November, it has an impact on the lower water temperature, which triggers the harvest failure of the fish seed, because the water temperature lower than 25 degrees celcius, but fish seed well grow up in the range of water temperature 25 to 30 degrees celcius.The Department of Electrical Engineering of the State Polytechnic of Bali has carried out community service activities in Desa Lumbung. The activities is training to construction, operation and maintenance of arduino-based of water heaters for fish seed pond and solar power plants, which have been proven to be able to maintain water temperature. Even though in the winter the water temperature is maintained between 25 to 30 degrees celcius, it maintains the harvest of fish seeds   every 45 days. The success of this harvest will support food security in Desa Lumbung.Solar power plants are chosen as an energy source, because that is a green energy. This is in line with the Bali State Polytechnic as a center of excellent  technology for green tourism. The output of this activities is proven, it must  to be massive done and the government must increases the budget for the implementation. Food security is very important to maintain the stability of the Republic of Indonesia.

scholarly journals The Amur River Water During the Winter Low-water Period: The Many-year dynamics of the Sulfates Content and Runoff.

2020 ◽  
pp. 82-93
Author(s):  
Keyword(s):  
Power Plants ◽  
Hydroelectric Power ◽  
Amur Basin ◽  
Amur River ◽  
Economic Changes ◽  
Large Cities ◽  
The Amur River ◽  
The Many ◽  
The Impact

ulfates are the dominant ions among the major ones in the Amur region’s sewage. Therefore, the purpose of the research is to study the long-term dynamics of the content and runoff of sulfates in the Amur River in the winter low-water, based on the materials of Roshydromet for 1943-1976 and the author’s data for 1999-2019.Significant variations in the main areas were found due to both the diversity of natural conditions and anthropogenic influence in the areas of large cities and localities. The impact of the construction of hydroelectric power plants, significant economic changes in the Chinese part of the Amur basin, as well as the closure of pulp and paper and microbiological industries in the Russian part of the Amur basin on the long-term dynamics of the content and flow of sulfates is estimated. The maximum content of sulfates in the Amur River was observed after the accident at the Jilin chemical plant in China in December 2005. The influence of major floods on the increase in the flow of sulphates in the winter low-water was established.

scholarly journals The Effect of Alfha Angle Variation Sudu Rotor Blade On Wind Turbine Performance Using Blade NACA 0018

2021 ◽  
Vol 1 (2) ◽  
Author(s):  
Habibullah ◽  
Rachmad Firdaus
Keyword(s):  
Rotor Blade ◽  
Alternative Energy ◽  
Power Plants ◽  
Fossil Fuels ◽  
Mechanical Energy ◽  
Condition Dependence ◽  
Hydroelectric Power ◽  
Angle Variation ◽  
Turbine Wheel ◽  
Water Turbine

Indonesia currently has a growing need for energy, this will experience an energy crisis condition, dependence on fossil fuels will at least pose a serious threat, therefore there must be alternative energy as a substitute and reserves such as wind energy, water energy, solar energy, and other.  Because Indonesia has abundant water sources, with this my research intends to develop water as a renewable energy source that can be used as a source of energy for hydroelectric power plants or also called water turbines.  The water turbine is an early generator that uses the potential energy of water to become mechanical energy where the water turns the turbine wheel.  This study aims to determine the effect of the number of blades, the effect of the profile, the effect of rotor blade wing tip, Naca 0018, and the resulting energy efficiency.  This research uses experimental research type.

scholarly journals Digitalizing the Process of Tracking Technical Condition of the Main Equipment of Energy Providing Enterprises

2021 ◽  
Vol 93 ◽  
pp. 01020
Author(s):  
Lyudmila Plotnikova ◽  
Artem Bainov ◽  
Yulia Torkunova ◽  
Maria Nadezhdina
Keyword(s):  
Power Plants ◽  
Thermal Power ◽  
Complete Information ◽  
Condition Index ◽  
Technical Condition ◽  
Direct Access ◽  
Repair Work ◽  
Technical Parameters ◽  
The Republic ◽  
Low Efficiency

The existing power facilities of the Republic of Tatarstan face a number of disadvantages related to the system for recording data on the technical condition of boiler and turbine equipment: manual calculation of the parameters of equipment operation, lack of direct access to complete information on the condition of equipment and, as a result, low efficiency in identifying malfunctions, deviations in the operation of equipment, carrying out repair work. Hence, the need for digitalization of the system for recording data on the technical condition of equipment was formed, in response to which software was developed for automating the data recording system and visualizing the technical parameters of reliability at thermal power plants. This proposal is distinguished by the introduction of digital technologies in the process of recording data on the technical condition of equipment, where for the first time the software includes a method for automatically calculating the technical condition index of boiler units. The results of the work will reduce the likelihood of an emergency state of power plant equipment.

scholarly journals Methodology for substantiation of technical and economic indicators of PSPP in energy water management systems of Uzbekistan

2021 ◽  
Vol 264 ◽  
pp. 04056
Author(s):  
Muradilla Mukhammadiev ◽  
Kurbon Dzhuraev ◽  
Sanjar Juraev ◽  
Abdurauf Abduaziz Uulu ◽  
A Makhmudov
Keyword(s):  
Water Management ◽  
Economic Efficiency ◽  
Power Plants ◽  
Economic Indicators ◽  
Management Systems ◽  
Hydroelectric Power ◽  
Hydroelectric Power Plants ◽  
The Republic ◽  
Pumped Storage ◽  
Technical And Economic Indicators

In our country, a lot of attention is paid to the development of the energy sector. A lot of work is underway to modernize existing capacities and commission new capacities. At the same time, the unit capacities of units and power plants also increase, which ensures faster commissioning of capacities in the power system and an increase in the efficiency of power plants. Attention is also paid to the development of power plants based on renewable energy sources (hydraulic, solar, wind, etc.). One of the most important tasks in the power industry is to cover peak minimum and maximum loads, which is becoming increasingly important in connection with the growth of the power system's capacity. As is known, according to world indicators, the maneuverable capacities should be about 25% of the total power of the EPS. The most promising maneuverable capacities are hydroelectric power plants. However, in our country, hydroelectric power plants account for about 14.3%. This task will become more complicated with the introduction of capacities based on solar and wind energy and the commissioning of new hydroelectric and thermal power plants in the Republic. This is because RES capacities have a significant discontinuity even during the day, and the water resources in the Republic are primarily for irrigation and drainage purposes and are significantly variable during the season. One way to solve these problems in the world is the creation and use of pumped storage power plants (PSPP). The peculiarities of the creation and use of pumped storage power plants in our region are that the available hydro resources of our region are mainly of water management importance, while the task is also to increase the energy efficiency of existing reservoirs. Based on the foregoing, we can say that the development of methods for determining the economic efficiency of pumped storage power plants, taking into account direct and indirect effects, taking into account the peculiarities of their use in energy and water management systems of Uzbekistan is the main task for the present time. To solve the set tasks, a new methodology and program for substantiating the technical and economic indicators of pumped storage power plants in Uzbekistan's energy and water management systems have been developed. The schemes of using pumped storage power plants at four energy and water management facilities, that is, the Tuyamuyun hydro subunit, Arnasai, Talimarjan, and Khodjikent reservoirs, were considered, and for these facilities, based on the developed methodology and program, their technical and economic parameters of the pumped storage power plant were determined. Based on the results obtained, it can be said that using the PSPP in four facilities, it is possible to generate a total of about 418 MW of capacity and more than 930.0 million kWh of electricity, as well as to save 139 thousand tons of fuel equivalent per year, with this, the annual economic efficiency will be about 700.0 billion sums.

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