Benefit analysis and comprehensive evaluation for distributed energy system

HAN Zhonghe; QI Chao; XIANG Peng; LIU Minghao; WANG Shan

doi:10.19666/j.rlfd.201705040

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Benefit analysis and comprehensive evaluation for distributed energy system

更新时间：2025-09-28

- Benefit analysis and comprehensive evaluation for distributed energy system
- Thermal Power Generation Vol. 47, Issue 2, Pages: 31-36(2018)
- 作者机构：
  
  华北电力大学能源动力与机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201705040
  CLC： TK01
- Published Online：31 January 2018，
  
  Published：2018
- 稿件说明：
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HAN Zhonghe, QI Chao, XIANG Peng, et al. Benefit analysis and comprehensive evaluation for distributed energy system[J]. Thermal power generation, 2018, 47(2): 31-36.
DOI：

HAN Zhonghe, QI Chao, XIANG Peng, et al. Benefit analysis and comprehensive evaluation for distributed energy system[J]. Thermal power generation, 2018, 47(2): 31-36. DOI： 10.19666/j.rlfd.201705040.

摘要

系统效益分析和评价是分布式能源研究的主要内容。为克服现阶段能源评价不够全面客观的缺点

建立一次能源利用率、节能率、系统初投资、年度化成本、CO2排放量和NOx排放量6个指标

分别对分布式能源系统能源效益、经济效益和环境效益(3E)进行评价;在此基础上

建立基于信息熵权和灰色关联分析的分布式能源系统3E综合评价模型;并利用上述6个评价指标分析了武汉某园区各分布式能源系统方案的能源、经济和环境效益

根据3E综合评价模型为该园区分布式能源系统找到最终方案。结果表明

分布式能源系统在能源和环境效益上均优于传统能源系统

但经济效益有待进一步提升。

Abstract

The analysis and evaluation for system benefit is the main content of distributed energy research. In order to overcome the current shortcomings of the evaluation is not comprehensive

the establishment of an energy utilization rate

energy saving rate

initial investment system annual cost

CO2 and NOx emissions of six indicators

respectively on the system efficiency

economy and environment to evaluate the benefit. On this basis

a comprehensive evaluation model of distributed energy system 3 E based on entropy weight and grey relational analysis is established. The energy

economic and environmental benefits of distributed energy systems in a park in Wuhan are analyzed with the evaluation index. The results show that the distributed energy system is superior to the conventional system in energy and environmental benefits

but the economic benefits need to be further improved.

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