Research on New Indices of Energy Efficiency and Evaluation Method for the Effect and Potential of Energy-saving
Promoting energy-saving measures and exploring the potential for energy conservation represent crucial directions for development.This article discusses the concept and identification methods of ineffective energy,proposes two new indicators for measuring energy consumption levels,provides energy-saving criteria for evaluating the effectiveness of energy conservation measures,and explores methods for assessing energy-saving potential.Initially,this study explicates the concepts of effective and ineffective energy while discussing identification methods for effective energy,inevitable ineffective energy,and evitable ineffective energy.Secondly,this paper introduces two new indicators,namely extra consumption ratio and loss reduction ratio,for measuring energy consumption levels,and a comparison is made with traditional efficiency indicators with respect to their physical interpretation,quantitative relationship,and application scenarios.Considering the potential influence of one energy-saving measures on these ineffective energies,this article concentrates on assessing the overall changes in ineffective energy within a system,formulates two energy-saving criteria to evaluate the effectiveness of energy-saving measures in a scientific manner.A method for analyzing the potential for energy conservation within a system is explored,based on the existing energy consumption level and the situation of ineffective energy.Lastly,the application of the indicators and methods proposed in this article is demonstrated using a theater's energy consumption system as an example.This article aims to present pertinent concepts and put forward indicators and methodologies.The ultimate objective is to contribute to the establishment of a scientific and rational energy efficiency evaluation system,thereby promoting the adoption of energy-saving measures and uncovering energy-saving potential.
Energy EfficiencyEnergy-savingIneffective EnergyExtra Consumption RatioLoss Reduction RatioEnergy-saving Potential
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