Abstract
The distributed energy generation system is one of the main forms of the second-generation energy system currently. Three kinds of viable schemas of distributed energy supply system for nine users of the small region heat of Yangpu area combining with urban heating were proposed in this thesis, in which the gas turbines were selected. By analyzing the heat economy and pollutant emissions, the advantages and disadvantages of each schema were found out and the relatively better one was selected ultimately. Finally, some possible development trends and the prospects of the distributing energy supply system were also related and some complementary proposals were to table for some aspects of the system.
Highlights
Distributed energy system is a kind of circulatory energy supply system with a lot of advantages,which is a kind of economical energy supply system,with the less emission of pollutants in the production process, and more efficient energy saving because of the gradient utilization of energy
During the study of schemes, the following problems are founded in this article: (1)First of all, the accuracy of the heat load.Since only the total amount of steam required by users in the Yangpu area is known in this article and there is no accurate daily or even hourly heat data, only the monthly average heat load energy is used to estimate the heat load
This leads to the fact that the actual maximum heat load may be higher than the calculated value
Summary
Distributed energy system is a kind of circulatory energy supply system with a lot of advantages,which is a kind of economical energy supply system,with the less emission of pollutants in the production process, and more efficient energy saving because of the gradient utilization of energy. The distributed energy system has practical significance for ensuring power supply, It can make up for the shortcomings of the power grid in terms of safety and stability, and ensure the power supply of users when accidents happen, such as earthquakes, storms, human destruction, wars and other accidents. The distributed energy system accords with the principle of "reduction, reuse" and "minimizing resource consumption and environmental cost" in circular economy, which is widely recognized in today's society
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