Calculation of Receipt of Renewable Energy Resources and Operation Modes of Power Plants

2021 ◽  
pp. 1777-1795
Author(s):  
Baba Dzhabrailovich Babaev ◽  
Vladimir Panchenko ◽  
Valeriy Vladimirovich Kharchenko
Keyword(s):  
Renewable Energy ◽  
Power Plants ◽  
Optimization Problem ◽  
Renewable Energy Sources ◽  
Operating Mode ◽  
Climatic Conditions ◽  
Energy Resources ◽  
Optimal Configuration ◽  
Renewable Energy Resources ◽  
Energy Complex

The main objective of the work is to develop principles for the formation of the optimal composition of the energy complex from all the given power plants based on renewable energy sources for an autonomous consumer, taking into account the variable energy loads of the consumer, changing climatic conditions and the possibility of using local fuel and energy resources. As a result of solving this optimization problem, in addition to the optimal configuration of the power complex, it is also necessary to solve the problem of optimizing the joint operation of different types of power plants from the selected optimal configuration, that is, it is necessary to determine the optimal modes of operation of power plants and the optimal share of their participation in providing consumers at every moment in time. A numerical method for analyzing and optimizing the parameters and operating mode of the energy complex with the most accurate consideration of the schedule of changes in consumer load and software that automates the solution of this optimization problem are also presented.

Calculation of Receipt of Renewable Energy Resources and Operation Modes of Power Plants

2020 ◽  
pp. 70-88
Author(s):  
Baba Dzhabrailovich Babaev ◽  
Vladimir Panchenko ◽  
Valeriy Vladimirovich Kharchenko
Keyword(s):  
Renewable Energy ◽  
Power Plants ◽  
Optimization Problem ◽  
Renewable Energy Sources ◽  
Operating Mode ◽  
Climatic Conditions ◽  
Energy Resources ◽  
Optimal Configuration ◽  
Renewable Energy Resources ◽  
Energy Complex

The main objective of the work is to develop principles for the formation of the optimal composition of the energy complex from all the given power plants based on renewable energy sources for an autonomous consumer, taking into account the variable energy loads of the consumer, changing climatic conditions and the possibility of using local fuel and energy resources. As a result of solving this optimization problem, in addition to the optimal configuration of the power complex, it is also necessary to solve the problem of optimizing the joint operation of different types of power plants from the selected optimal configuration, that is, it is necessary to determine the optimal modes of operation of power plants and the optimal share of their participation in providing consumers at every moment in time. A numerical method for analyzing and optimizing the parameters and operating mode of the energy complex with the most accurate consideration of the schedule of changes in consumer load and software that automates the solution of this optimization problem are also presented.

scholarly journals An Evaluation of Current Status of Renewable Energy Sources in India

2019 ◽  
Vol 8 (10) ◽  
pp. 1234-1239 ◽  
Keyword(s):  
Renewable Energy ◽  
Power Plants ◽  
Renewable Energy Sources ◽  
Thermal Power ◽  
Energy Sector ◽  
Energy Resources ◽  
Current Status ◽  
Renewable Energy Resources ◽  
Energy Needs ◽  
Hybrid Renewable Energy

Many people in rural society of India does not have access to natural energy resources like LPG , electricity as there is no facilitation of grid erection. Hence it becomes imperative for country like India to go for renewable energy resources as alternative to conventional energy resources. This paper evaluations the potential of different sources of renewable energy in India. It also highlights the trends in the growth of renewable energy sector, although at the same time shows that there is need of a hybrid renewable energy model for rural electrification in India. Paper also shows the scope in using the agriculture waste as bio fuel which burned otherwise and prompt health hazards besides environmental pollution, also describing many technologies which are in the demonstration stage like Tidal, OTEC, Solar thermal power plants. Many constraints put development in the field of solar and wind sector, on hold like availability of solar rays throughout the year . The main aim of the paper is to evaluation all possible options in renewable energy sector so that large segment of rural population can have access to electricity and to meet their basic energy needs.

scholarly journals Problems of designing stand-alone power supply systems using renewable energy sources

2021 ◽  
Vol 2021 (2) ◽  
pp. 30-34
Author(s):  
Sergey Vladimirovich Golovko ◽  
Sergey Vladimirovich Kononenko
Keyword(s):  
Renewable Energy ◽  
Energy Saving ◽  
Power Supply ◽  
Power Plants ◽  
Renewable Energy Sources ◽  
Energy Resources ◽  
Renewable Energy Resources ◽  
Large Power ◽  
Significant Saving ◽  
Supply Systems

The paper considers the problems of designing autonomous power supply systems using the renewable energy resources. The efficiency of using energy resources in conditions of growing prices for electricity brings significant saving of both energy and financial factors. The analyses show that the main losses of energy resources are the result of inefficient use, distribution and consumption of electrical energy. There has been stated one of the most important problems of energy saving: many existing consumers are located at a significant distance from centralized power supply systems. Today connecting such consumers to large power grids is economically inexpedient. These facilities are supplied from the stand-alone power plants. According to the program of energy saving and energy efficiency improvement of FGC UES, PJSC, reducing electricity consumption for auxiliary needs of transformer substations is one of the main mechanisms for the program implementation.

scholarly journals A SWOT Analysis Approach for a Sustainable Transition to Renewable Energy in South Africa

2021 ◽  
Vol 13 (7) ◽  
pp. 3933
Author(s):  
Solomon E. Uhunamure ◽  
Karabo Shale
Keyword(s):  
Climate Change ◽  
South Africa ◽  
Renewable Energy ◽  
Regional Integration ◽  
Power Plants ◽  
Swot Analysis ◽  
Climatic Conditions ◽  
Policy Implications ◽  
Analysis Approach ◽  
Renewable Energy Resources

South Africa is been faced with erratic power supply, resulting in persistent load shedding due to ageing in most of its coal-fired power plants. Associated with generating electricity from fossil fuel are environmental consequences such as greenhouse emissions and climate change. On the other hand, the country is endowed with abundant renewable energy resources that can potentially ameliorate its energy needs. This article explores the viability of renewable energy using the strengths, weaknesses, opportunities and threats (SWOT) analysis approach on the key renewable potential in the country. The result indicates that geographic position, political and economic stability and policy implementation are some of the strengths. However, Government bureaucratic processes, level of awareness and high investment cost are some of the weaknesses. Several opportunities favour switching to renewable energy, and these include regional integration, global awareness on climate change and the continuous electricity demand. Some threats hindering the renewable energy sector in the country include land ownership, corruption and erratic climatic conditions. Some policy implications are suggested based on the findings of the study.

scholarly journals Scalable Multiport Converter Structure for Easy Grid Integration of Alternate Energy Sources for Generation of Isolated Voltage Sources for MMC

Electronics ◽  
2021 ◽  
Vol 10 (15) ◽  
pp. 1779
Author(s):  
Syed Rahman ◽  
Irfan Khan ◽  
Khaliqur Rahman ◽  
Sattam Al Otaibi ◽  
Hend I. Alkhammash ◽  
...  
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Energy Resources ◽  
Energy Sources ◽  
Renewable Energy Resources ◽  
Component Level ◽  
Storage Devices ◽  
Multiport Converter ◽  
Detailed Simulation ◽  
The Individual

This paper presents a novel, scalable, and modular multiport power electronic topology for the integration of multiple resources. This converter is not only scalable in terms of the integration of multiple renewable energy resources (RES) and storage devices (SDs) but is also scalable in terms of output ports. Multiple dc outputs of a converter are designed to serve as input to the stacking modules (SMs) of the modular multilevel converter (MMC). The proposed multiport converter is bidirectional in nature and superior in terms of functionality in a way that a modular universal converter is responsible for the integration of multiple RES/SDs and regulates multiple dc output ports for SMs of MMC. All input ports can be easily integrated (and controlled), and output ports also can be controlled independently in response to any load variations. An isolated active half-bridge converter with multiple secondaries acts as a central hub for power processing with multiple renewable energy resources that are integrated at the primary side. To verify the proposed converter, a detailed design of the converter-based system is presented along with the proposed control algorithm for managing power on the individual component level. Additionally, different modes of power management (emulating the availability/variability of renewable energy sources (RES)) are exhibited and analyzed here. Finally, detailed simulation results are presented in detail for the validation of the proposed concepts and design process.

Review on Renewable Energy Potential in Australian Subtropical Region (Central and North Queensland)

2011 ◽  
Vol 347-353 ◽  
pp. 3846-3855 ◽  
Author(s):  
Ali Baniyounes ◽  
Gang Liu ◽  
M. G. Rasul ◽  
M. M. K. Khan
Keyword(s):  
Renewable Energy ◽  
Wind Speed ◽  
Spatial Databases ◽  
Cost Effective ◽  
Climatic Conditions ◽  
Energy Resources ◽  
Climatic Data ◽  
Renewable Energy Resources ◽  
Subtropical Region ◽  
Energy Potential

In Australia the future demand for energy is predicted to increase rapidly. Conventional energy resources soaring prices and environmental impact have increased the interest in renewable energy technology. As a result of that the Australian government is promoting renewable energy; such as wind, geothermal, solar and hydropower. These types of energy are believed to be cost-effective and environmentally friendly. Renewable energy availability is controlled by climatic conditions such as solar radiation, wind speed and temperature. This paper aims to assess the potential of renewable energy resources, in particular wind and solar energy in an Australian subtropical region (Central and North Queensland) namely, Gladstone, Emerald, Rockhampton, Yeppoon, Townsville, and Cairns. Analysis is done by using the latest statistical state of Queensland energy information, along with measured data history of wind speed, solar irradiations, air temperature, relative humidity, and atmospheric pressure for those sites. This study has also shown that national assessments of solar and wind energy potential can be improved by improving local climatic data assessments using spatial databases of Central and North Queensland areas.

scholarly journals Potential utilization of renewable energy resources for electricity generation in Bosnia and Herzegovina

2005 ◽  
Vol 9 (3) ◽  
pp. 15-23 ◽  
Author(s):  
Fajik Begic ◽  
Anes Kazagic
Keyword(s):  
Renewable Energy ◽  
Power System ◽  
Bosnia And Herzegovina ◽  
Electricity Market ◽  
Renewable Resources ◽  
Electricity Generation ◽  
Power Plants ◽  
Energy Resources ◽  
Energy Utilization ◽  
Renewable Energy Resources

Along with the current processes of restructuring of Energy power system of Bosnia and Herzegovina, liberalization of the electricity market, and modernization of the existing power plants, Bosnia and Herzegovina must turn to the utilization of renewable resources in reason able dynamics as well. Respecting this policy, the initial Valuation of the potential of renewable erg resources in Bosnia and Herzegovina is per formed. The methodology of evaluation of wind energy utilization is presented in this paper, as well as some other aspects of utilization of the renewable energy resources in Bosnia and Herzegovina. Implementation of selected projects should improve sustainability of energy power production in Bosnia and Herzegovina, by reducing the total emission of carbon dioxide originated from energy power system of Bosnia and Herzegovina.

scholarly journals MODEL OF FORMING REGIONAL CLUSTER OF RENEWABLE ENERGY SOURCES IN VIETNAM

2018 ◽  
pp. 304-313
Author(s):  
NGO TUYET
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Energy Resources ◽  
Energy Sources ◽  
Renewable Energy Resources ◽  
Regional Cluster

The article presents the main steps of model of forming regional cluster of renewable energy sources in Vietnam, including method of evaluating the possibility of creating regional cluster of renewable energy resources in Vietnam. The approbation of model in region Ninh Thuan – Binh Thuan.

scholarly journals Impact of the Renewable Energy Development in Lithuania‘s Energy Economy

2019 ◽  
Vol 8 (4) ◽  
pp. 75
Author(s):  
Rita Bužinskienė
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Research Problem ◽  
Energy Sector ◽  
Energy Resources ◽  
Renewable Energy Resources ◽  
Linear Regression Models ◽  
Energy Productivity ◽  
Energy Economy ◽  
The Impact

Paper is characterized by scientific novelty as it involves a very scarce research problem in Lithuanian‘s energy sector, assessing the impact of renewable energy resources on the energy economy. Renewable energy sources have a multiplier effect in spurring the economy and the development of not only the energy sector but also all the supporting activities related to such industry. The impact of the development of renewable energy is one of the factors that develop the quality of technology innovation development. This study includes the impact of renewable energy on the energy economy, using multiple linear regression models. The results of the study have shown that renewable energy resources: wind, sun, water, geothermal and biomass can not always be used together because they compete with each other and therefore reduce the efficiency of the energy economy. In this context, three combinations of renewable energy resources have been developed, which have been adapted to assess the impact of the energy economy on energy productivity and energy intensity. It has been found that the combination of resources of the second model (M2) RE is significant for the efficiency of the energy economy.Keywords: Renewable energy resources; Energy economy; Impact of efficiency

scholarly journals Towards Zero-Energy Housing in Egypt

2019 ◽  
Vol 3 (1) ◽  
pp. 52
Author(s):  
Hala Abdelmoez Mohamed
Keyword(s):  
Renewable Energy ◽  
Architectural Design ◽  
Renewable Energy Sources ◽  
Electricity Consumption ◽  
Housing Demand ◽  
Electricity Sector ◽  
Energy Resources ◽  
Energy Sources ◽  
Renewable Energy Resources ◽  
Zero Energy

As the Egyptian population is increasing at a huge rate, the yearly housing demand is increasing in an equivalent rate. In addition, the whole world is suffering from an energy crises caused by the rapidly increasing consumption of world’s traditional energy resources, so the obvious solution is to go green, and depend much more on renewable energy resources. According to the statistical data available in Egyptian governmental authorities, the accumulated housing demand till 2014 was about 2,400,000 units. On the other hand, the yearly housing supply from private and public sectors is about 150,000 to 200,000 unit, Egyptian authorities declared that at summer 2010 air-conditioning devices increased to reach 3.000.000 ( three million) devices all over Egypt, mostly working from early mornings till 2 am next day to adjust temperatures that reach up to (45C) and more outside buildings to reach (25 C) or less inside. This behavior increased electricity consumption rapidly. Consequently, the electricity consumption rate in Egypt had increased by 13% more than 2009, which exceeds the maximum capacity power of the high dam by 7% to 8%, ministry of electricity announcements declared that to fill that gab we need 3000 megawatts at peak hours which costs the electricity sector up to 16.000.000.000 l.E. Accordingly, a new architectural design concept is proposed (Zero-Energy Housing Unit) to rely on the surrounding environmental conditions and new Green Architecture Techniques in order to provide human comfort based on renewable energy sources, provided that the common current governmental energy sources will be a backup system for the meanwhile.

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