Module development and energy simulation analysis of the variable refrigerant volume system based on energyplus

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Institute of Refrigeration and Cryogenics, Shanghai Jiaotong University, Shanghai 200240, China [1 ]
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Xitong Fangzhen Xuebao | 2007年 / 20卷 / 4808-4811期
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To evaluate energy consumption features of the new-generation variable refrigerant volume (VRV-II) system, an energy calculation module for the system was developed based on the dynamic building energy simulation program, EnergyPlus. A building energy comparison analysis among the VRV system and several popular air conditioning systems was implemented, using a typical commercial building model. Simulation results show that the VRV system is the most energy-efficient plan. For the traditional systems, the water-cooled screw chiller is more energy efficient than the air-cooled screw chiller as the plant scheme, and the Fan-coil plus outdoor-air system are found more energy efficient than the variable-air-volume system as the system plan.
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