| Summary: | 碩士 === 國立勤益科技大學 === 冷凍空調系 === 102 === Green High-Tech Factory Building Chiller System is applied in a wide range of industrial applications. This study focus on the energy consumption of the Chiller System of a thin film transistor liquid crystal display (TFT-LCD) industry. Under 24 hours a day and 365 days a year of operation for production, there will be a decay of energy performance and Refrigerant leakage issues, which will increase the operating cost. It is essential to save energy consumption and operating cost of Chiller system in TFT-LCD industry. This paper analyzes the energy consumption of Chiller system of an optical plant in Central Taiwan Science Park. Proceed a series of system energy saving analysis, adjustment, testing, including analysis of outside air condition, analysis of chiller system control optimization, analysis of cooling tower control optimization; through adjustment of compressor operation, adjustment of system pressure difference and adjustment of chiller water temperature to improve efficiency of chiller system operation. Besides, by using adjustment of cooling tower leaving water temperature controlling model to achieve reduction of system energy, through a long term record of each item operating data of the system and change of power consumption.
Chiller system can be reduced about 5%. It reveals that the energy saving strategies could be achieved through the field measurement and robust investigation specific for Chiller systems.
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