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      暖通空調>期刊目次>2023年>第7期

      高鐵客站空調系統冷水機組設計能耗預測

      Prediction of design energy consumption of water chillers in air conditioning systems of high-speed railway stations

      張亞靜 朱建章
      中國鐵路設計集團有限公司

      摘要:

      目前全年空調能耗一般通過性能化模擬得出,其模擬需要準確的邊界條件,且計算過程煩瑣,而眾多大、中、小型高鐵客站冷負荷采用典型設計日進行計算,無法給出全年空調系統設計預測能耗和實際運行能耗。本文利用綜合部分負荷性能系數(IPLV)的概念,以夏熱冬冷地區某高鐵客站為例,分析并給出了其冷水機組不同負荷率下的COP和運行時長的計算方法。在設計階段對能耗進行相對準確的簡單估算,為實現定量控制空調系統能耗及碳排放目標提供支持。

      關鍵詞:高鐵客站;冷水機組;綜合部分負荷性能系數(IPLV);非標準部分負荷性能系數(NPLV);能耗預測

      Abstract:

      The annual air conditioning energy consumption is generally obtained through performance-based simulation which requires accurate boundary conditions. The calculation process is cumbersome. However, the typical design day method is usually used to calculate the cooling load in many large, medium, and small high-speed railway stations, which cannot provide the predicted annual operating energy consumption and actual energy consumption for the air conditioning system. This paper uses the concept of integrated part load value (IPLV), taking a high-speed railway station in hot summer and cold winter zone as an example, to analyse and provide a calculation method for the COP and operating time of the water chillers under different load rates. This calculation method can estimate and predict the design energy consumption, and achieve the goal of quantitatively controlling the energy consumption and carbon emissions of the air conditioning system during the design phase.

      Keywords:high-speedrailwaystation;waterchiller;integratedpartloadvalue(IPLV);non-standardpartloadvalue(NPLV);energyconsumptionprediction

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