Research And Design For Frequency And Load Automatic Control Of Marine Power System Based On Fuzzy Control

The automation of power system is the key link in improving the reliability and continuance of the whole power supply, so it is very significant for researching the automation of power system. Designing the controller with MCU (Micro Control Unit) instead of separate components is the development tendency of marine power system automation. The original takes the marine Power system as research target. In this article, proposes to combine the fuzzy control with the DSP (Digital Signal Processor) control technique in an effort to fulfill the operations required by the frequency and load automatic control for marine power system.Based on TMS320LF2407 that produced by TI Co., the system chiefly completes the data synchronization collecting, regulating and controlling of the power system and fulfills the function of automatic shut-down and frequency and load control, composing a distributing network system by using CAN Field-bus which has the advantages of high reliability and high speed transmission. The PC implements the function of monitoring, displays and controls the two controllers.The parameter of diesel-engine and generator is changing along with long-term operation of power system, the changes may induce the load vibration when frequency and load control unit is valid. Vibration of load can cause breakdown of power system, so aim at this, this paper mainly investigats several active methods and introduce a modified virtual difference Method based on fuzzy rule. This paper makes a simulation study by MATLAB, and verifies feasibility of this method. The method is validated at lab, and has achieved an approving result.