The Study Of Ship Electrical Propulsion Simulation

The history of ship electrical propulsion was almost 100 years, but because of the limitation of technology, It had not been widely used. In the last 20 years, with the development of power electronic technology, the technology of ship electrical propulsion was accepted by many ship owners and shipyard.First of all, The paper have a analysis of ship electrical propulsion technology, Three sorts of ship electrical propulsion system were introduced and researched. The Paper have a detail research of IPS (Integrate Propulsion System) and point out that IPS is certain to be the best choice of our country' s ship power system.A mathematics model in the form of differential equation was constructed base on the theory of motor timing. Then the model was changed into the form of transfer function. With the help of MATLAB, the model in the form of transfer function can be easily solved.MATLAB/SIMULINK lead a superior advantage in the field of simulation. The paper build a model of electric ship power system, include the model of motor and generator derived from SIMULINK, the model of propeller build by the author, the model of load flow. After the process of model simulation ,the dynamic curve of electrical ship were drawn out.After have a summarize of paper, The paper point out that the next step is how to integrate the model into the real-time simulation platform and realize the controllable and real-time of ship electrical propulsion model.