Abstract
At present, about 50% of the energy of hydrogen fuel cells is converted into heat energy loss, and the comprehensive energy utilization technology is still immature. For the transport ship powered by proton exchange membrane hydrogen fuel cell, a set of comprehensive waste heat utilization system was designed through theoretical calculation and simulation analysis. A set of self-adaptive controllers with PLC (Programmable Logic Controller) as the core and fuzzy PID (Process Identification) control law based on the collected operating parameters and environmental parameters of each module was developed to control the input energy of each module. Based on the fuel cell-powered green ship technology, this system realizes the cogeneration of low-grade heat sources of hydrogen fuel cells, which greatly improves energy utilization efficiency. The results can promote the application of fuel cells in ships.
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