C202 マイクロガスタービンを用いた家庭用コージェネレーションシステムのエネルギー利用率向上に関する試算

抄録

This paper describes the possibility of primary energy reduction of domestic residences by introducing a cogeneration system with a micro gas turbine. Much parameters were varied and their influences on the primary energy reduction rate were analyzed. The following results were obtained (1) Even in a cogeneration system where the exhaust energy is recovered, electricity generating efficiency is critical for higher energy reduction rate. (2) When the generating efficiency is rather low, a generating capacity relative to the energy demand and an engine operating mode will make much influences on the energy reduction rate. (3) The generating efficiency of 30% of today's micro gas turbine is not sufficient and desired to be increased to more than 40%.