Performance analysis of micro combined heat and power system based on building load

LI Yanxue; RUAN Yingjun; LIU Qingrong

doi:10.11949/j.issn.0438-1157.20150709

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Performance analysis of micro combined heat and power system based on building load

更新时间：2025-12-10

- Performance analysis of micro combined heat and power system based on building load
- CIESC Journal Issue S2, Pages: 364-370(2015)
- 作者机构：
  
  1. 同济大学机械与能源工程学院,上海,200092
  2. 上海电力学院能源与机械工程学院,上海,201300
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150709
  CLC： K019
- Online First：31 August 2015，
  
  Published：31 August 2015
- 稿件说明：
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LI Yanxue, RUAN Yingjun, LIU Qingrong. Performance analysis of micro combined heat and power system based on building load[J]. CIESC Journal, 2015, (S2): 364-370.
DOI：

LI Yanxue, RUAN Yingjun, LIU Qingrong. Performance analysis of micro combined heat and power system based on building load[J]. CIESC Journal, 2015, (S2): 364-370. DOI： 10.11949/j.issn.0438-1157.20150709.

摘要

微型热电联产是节能减排的有效途径。主要针对微型热电联产系统

通过设定参照对象建立热力学模型分析用能效果

并在微型热电联产机组匹配用户负荷条件下分析用户热电比及电网购电比例对联产系统节能潜力的影响。同时结合实测某办公楼供热季度的热电负荷特征确定微型热电联产系统方案

计算发现供热季联供方式日均节能率可达22.76%~23.16%

联供系统中原动机的效率可达48.06%。

Abstract

Micro combined heat and power(MCHP)is an effective way of energy conservation.This article mainly aims at establishing a thermodynamic model and analyzing the energy efficiency of micro congeneration system by setting the reference object.Analyze the impact of user's heat to power ratio and purchasing electricity quantity from public grid on CHP energy saving potential under integrating the building load.In this paper

analysis was carried out by importing the MCHP into an office building based on the measured heating and power load characteristics.Calculation was found that the average daily energy saving ratio can reach up to 22.76%-23.16%

the unit exergy efficiency can reach 48.06% in congeneration system during the heating season.

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