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通过集中参数法设计直膨式太阳能热泵系统仿真数学模型,并进行典型天气工况下的实验验证,数据结果分析表明,模拟数据和实验数据相吻合。将集热器模块化,与压缩机变频控制手段相结合,给出直膨式太阳能热泵系统高效运行控制策略。运用该综合控制策略调整实验设备参数进行模拟实验,并将模拟结果与实验结果进行比较,模拟结果明显优于实验结果。
The mathematical model of direct-expansion solar heat pump system was designed by lumped parameter method, and the experimental verification under typical weather conditions was carried out. The analysis of the data shows that the simulated data is in good agreement with the experimental data. Modular collector, combined with the compressor frequency control means, gives the direct expansion of solar heat pump system operation control strategy. The comprehensive control strategy is used to adjust the parameters of the experimental equipment to simulate the experiment, and the simulation results are compared with the experimental results. The simulation results are obviously better than the experimental ones.