Power generation controls of fuel cell/energy storage hybrid ship power systems

Applications of fuel cells (FCs) to ship power systems have been investigated due to their characteristics of low emission, high efficiency, low vibration, and low noise. Dynamic response is a problem when FCs are installed in ships as power sources. To make the system secure and stable, a methodology for power generation controls of FCs/energy storage hybrid ship power systems is proposed in this paper. The mathematical model of active and reactive powers regulation of the hybrid power system is derived. The model is then applied and integrated into dynamic models of proton exchange membrane fuel cells (PEMFCs) to enhance the system dynamic response. A modified practical ship power system under different operating conditions is selected for computer simulations to ensure and demonstrate the performance of proposed method.