Marine Electric Propulsion Device Simulation Study

Marine electric propulsion device is the researching subject in this paper. AC asynchronous motor, controlled by TMS320LF2407 DSP for variable speed drive, is used to simulate screw propeller characteristics through setting up mathematic model. CC-Link field bus and serial communication are applied to achieve the real-time data transmission among the equipments in marine electric propulsion system. Under the surrounding of Windows, the monitoring human-machine interface of marine electric propulsion system is developed by Visual Basic.This paper is composed of six chapters. Chapter 1 introduces the project background; Chapter 2 discusses the designing of marine electric propulsion equipments simulation, including equipments choosing and installation; Chapter 3 introduces the screw propeller and motor characteristics, and illuminates the method of AC asynchronous motor simulated as screw propeller based on the mathematic model and experiment data of motor and screw propeller used in this project. Chapter 4 discusses the varying speed control of the simulated motor based on DSP, including the hardware and software designing and testing. Chapter 5 introduces the monitoring platform of marine electric propulsion system. CC-Link field bus and serial communication are applied to achieve the real time data transmission, and the human-machine interface is also developed. Chapter 6 summarizes the dissertation and present prospects.It's proved that screw propeller simulated motor can achieved the expected characteristics under the given propeller condition and the monitoring platform works well which can achieve the function of real-time detecting of marine electric propulsion system through a great deal of experiment.