Abstract
It is an extremely difficult task to determine equipment capacity of co-generation systems according to electrical-power and heating demands while taking into account economic efficiency and environmental load Given that background, this paper describes a design method for a co-generation system that minimizes the payback period by utilizing the Hamiltonian algorithm. This algorithm performs optimization of the non-linear systems used in the information and communication fields. As regards the result of a study on introducing a co-generation system into a combined building hosing offices and a hotel, by using the algorithm to select machinery capacity and operating methods, it was possible to shorten the payback period by about a year.
