Influence of System Operation Method on CO<sub>2</sub> Emissions of PV/Solar Heat/Cogeneration System

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  • 太陽光·熱/コージェネシステムのCO<sub>2</sub>排出量に与えるシステム運転法の影響
  • 太陽光・熱/コージェネシステムのCO2排出量に与えるシステム運転法の影響
  • タイヨウコウ ネツ コージェネ システム ノ CO2 ハイシュツリョウ ニ アタエル システム ウンテンホウ ノ エイキョウ

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Abstract

A PV/solar heat/cogeneration system is assumed to be installed in a hotel. The system is operated with various operation methods: CO2 minimum operation, fees minimum operation, seasonal operation, daytime operation and heat demand following operation. Of these five operations, the former two are virtual operations that are operated with the dynamic programming method, and the latter three are actual operations. Computer simulation is implemented using hourly data of solar radiation intensity, atmospheric temperature, electric, cooling, heating and hot water supply demands for one year, and the life-cycle CO2 emission and the total cost are calculated for every operations. The calculation results show that the virtual two and the actual three operations reduce the life-cycle CO2 emission by 21% and 13% compared with the conventional system, respectively. In regard to both the CO2 emission and the cost, there is no significant difference between the virtual two operation methods or among actual three operation methods.

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