Research On Post-processing Of Electric Energy And Monitoring System Based On Wave-current Generation Device

Marine energy is chlean and renewable green energy,how to use marine energy has become the key to solving various environmental problems caused by excessive use of traditional energy sources.With the development and utilization of marine energy,various types of marine energy power generation devices emerge in an endless stream,Such as wave energy power generation device,tidal energy power generation device,temperature difference power generation device,salt difference power generation device,etc,but the most mature of them is the wave energy generator device and the tidal energy generator device.China's marine energy development technology started later than foreign countries,at present,most of China's marine energy device are small and medium-sized marine energy generation devices.Wave-current generation device is a small and medium power generation device that captures reciprocating water flow,because of the characteristics of the reciprocating water flow,the energy obtained by the wave-current generation device is limited,therefore,due to the limited ability of the wave-current generation device,designing a reasonable post-processing of electric energy and monitoring system to improve the efficiency of Wave-current generation device is the key to this paper.The main research contents of this paper are as follows:(1)Theoretical overview and design schemes of post-processing of electric energy system,design requirements and control methods for post-processing of electric energy system by analyzing the output characteristics of Wave-current generation device,use modular design to design the overall structure of the post-processing of electric energy system,It mainly includes the design and optimization of rectifier unit,boost unit,inverter unit,DC/DC converter unit and battery unit.(2)Research on design scheme of monitoring system,taking into account the working scene of the wave power plant,use a design based on the Beidou satellite navigation system.The monitoring system structurally includes a power generating device portion and a shore station portion.The power generation device portion is composed of Beidou/GPS dual-mode integrated user machine and communication module,communication module is designed based on MCS-51 type single chip microcomputer;The shore station portion is composed of Beidou user terminal,shore station ground control center and shore station receiving system,develop visualization software with LabVIEW,display and record various status data of wave-current generation device.(3)According to the proposed post-processing of electric energy system design,the simulation model of each unit module is established in Matlab/Simulink,simulation experiment of simulation model of each unit module in simulation computer environment,hrough simulation experiments output simulation results and analyze the results,preliminary verification of the feasibility of the design of the post-processing of electric energy system.(4)Build an indoor experimental platform,simulating energy input by driving wave-current generation device through a servo motor,measurement of each unit module output through an indoor experimental platform,analyze the measurements from laboratory experiments,further verify the feasibility of the design scheme of the post-processing of electric energy system.(5)Sea trial experiment of design monitoring system and select a sea experiment site,an experimental plan for testing the monitoring system based on the environment of the selected location,the monitoring system can correctly transmit status data after the test starts,and the visualization software developed by LabVIEW can correctly display the status data transmitted by the monitoring system,verification of the feasibility of the monitoring system design.