Abstract
At present, there is a lack of regional comprehensive energy multi-dimensional evaluation system and calculation of different quality energy in the energy efficiency evaluation of regional integrated energy system. Based on this, this article carries out research on multi-dimensional energy efficiency evaluation index system and evaluation methods. First, this article form quantifiable evaluation indicators from the aspects of energy supply subsystem energy efficiency, energy conversion subsystem energy efficiency, grid energy efficiency, economic benefits and social benefits, and clarify the calculation methods of each evaluation indicator. Then this article calculate the indicator combination weight. Finally, a multi-dimensional energy efficiency assessment method for a regional integrated energy system is proposed, and an example is used to prove the effectiveness of the method.
Highlights
As an important carrier of the energy internet, the regional integrated energy system is the frontier for studying the internal operation mechanism of different energy sources and promoting advanced energy technologies[1,2,3,4]
Scientific and reasonable energy efficiency assessment method is extremely important for the healthy development of regional integrated energy system
The multi-dimensional energy efficiency evaluation index system and evaluation method are studied in this paper
Summary
As an important carrier of the energy internet, the regional integrated energy system is the frontier for studying the internal operation mechanism of different energy sources and promoting advanced energy technologies[1,2,3,4]. A reasonable evaluation index structure is set up to integrate the five dimensions of energy supply system, energy conversion system, power transmission process, system economy, and environmental evaluation. Taking these into account will help to assist the better planning and operation of the integrated energy system. In the integrated energy system, the conversion process between different energy sources has the ‘quantity’ conservation and the ‘quality’ difference. It is necessary to convert different energy sources to the same energy level to measure the grade difference Under this background, the multi-dimensional energy efficiency evaluation index system and evaluation method are studied in this paper
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