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本文论述了CO2双级系统在超市应用中各种运行工况和相应的运行特性,也论及不同负荷和运行工况下的主要原则和挑战。另外,分析了小型双级制冷系统中模拟和测量的运行结果,以帮助系统设计人员建模并避免可能存在的问题。
This paper discusses various operating conditions and corresponding operating characteristics of CO2 two-stage system in supermarket applications, and also discusses the main principles and challenges under different load and operating conditions. In addition, the results of simulations and measurements in small two-stage refrigeration systems were analyzed to help system designers model and avoid possible problems.