抄録
In order to reduce environmental loads such as primary energy consumption and carbon dioxide emission, optimizing energy utilization systems in terms of the effective utilization of thermal energy, is an unavoidable process. We considered the effective introduction of the cogeneration system (CGS) on Keio University Shonan Fujisawa Campus (SFC) under the condition of power transmission to another campus. First of all, we clarified the energy demand into categories of power, heating, and cooling, in the previous paper. The energy utilization systems, including the CGS, are assessed on the exergy balance between demand and supply, in the second step. Finally, we examined the effectiveness of the systems by maximally utilizing the exhaust heat on SFC, and the power transmission to another campus. As a result, the annual primary energy consumption and carbon dioxide emission could be reduced by 8% and 26% respectively compared to the existing system. Furthermore, the peak power load on the commercial grid could be leveled through the year, by the proposed manner of introducing and operating the CGS.
