Abstract
In this research, net power generation control of an ocean thermal energy conversion (OTEC) plant using Rankine cycle is investigated. In the model construction, not only the seawater pumping powers described by static characteristics but also the net power output is taken into account. The dynamics of the heat exchangers are also considered, where they are represented as the first-order systems. For the plant model, proportional integral controller is designed so as to satisfy some specifications, where as the manipulated variable the warm seawater flow rate is adopted. The effectiveness of the proposed control system was confirmed by numerical simulations.
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