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本文介绍了国内外冷水机组能效评价指标IPLV应用现状,明确了国家标准GB 50189—2015《公共建筑节能设计标准》中IPLV指标及其计算公式的具体含义、工况和适用范围,对非标准工况、变频冷水机组以及实际项目中如何应用IPLV指标进行了分析和说明,为新版标准的贯彻实施提供支撑。
This paper introduces the application status of energy efficiency evaluation index IPLV at home and abroad, and clarifies the specific meaning, working conditions and applicable scope of IPLV index and its calculation formula in the national standard GB 50189-2015 “Design Standard for Energy Efficiency of Public Buildings” Condition, frequency conversion water chiller and how to use the IPLV index in the actual project have carried on the analysis and the explanation, provides the support for the implementation of the new edition standard.