基于TMS320F2812设计的光伏并网发电模拟装置ALTIUM设计硬件原理图+PCB+软件源码+WORD论文文档.zip

基于TMS320F2812设计的光伏并网发电模拟装置ALTIUM设计硬件原理图+PCB+软件源码+WORD论文文档, 硬件包括4块板卡，分别为DSP_TMS320F2812控制板，采样信号调理板，功率管驱动板，DC-AC主板，AD设计的工程文件，包括完整的原理图和PCB文件，可以做为你的学习设计参考。 摘要：整个光伏发电逆变系统确定采用全桥作为逆变器的拓扑结构；给出基于双闭环控制的系统传递函数，通过比较选择单极性混合正弦脉宽调制作为逆变器的调制方式；并在SABER软件下验证了整体设计方案的可行性。整个系统的硬件部分包括主电路、驱动电路、采样调理电路和保护电路，以及数字控制系统的硬件电路。基于TMS320F2812平台的逆变器软件设计则包括双闭环控制策略的数字PI实现以及SPWM的数字生成和ADC的软件校正等。最后的作品测试结果表明，逆变器的输出功率、系统效率、波形THD、负载调整率等各项指标均满足要求，系统具有优异的稳态性能和动态性能。 关键词：逆变器，DSP，闭环控制策略，SPWM Photovoltaic Inverter System based on TMS320F2812 Cuiyijun，Huchao，Kangchuanhua (College of Information Science and Technology, Nanjing University of Aeronautics and Astronautics) Abstract： The Photovoltaic Inverter System is developed with full-bridge topology. It is proved to be with good steady-state characteristics and dynamic performance by analyzing the transmission function of the dual-loop control strategy. The hybrid SPWM modulation is chosen by comparing several classic modulation methods. The system solution is verified to be practicable through the Saber simulation.The whole system consists of hardware designs such as main circuits, driver circuits, sample and signal conditioning circuits, protecting circuits and the software designs such as the realization of PI control strategy and the rectification of the ADC precision in TMS320F2812. Finally, the experiments on the system indicate that all the performance including the output power, the efficiency, the THD of output waveform and load regulation of the experimental prototype proves to be qualified, The PV inverter system has excellent steady-state characteristics and dynamic performance. Key words：inverter, DSP, closed-loop control strategy, SPWM 该设计装置模拟光伏并网发电，主要由主电路、控制电路、采样调理电路、驱动保护电路、辅助电源等部分组成。逆变器控制采用混合脉宽调制（HPWM）方式，很好地降低了开关损耗。系统的数字处理模块采用了具有高处理速度、低功耗的芯片TMS320F2812。采用PI控制策略进行逆变系统的控制，参数设置简单，易整定。系统能够实现最大功率点的跟踪，具有欠压保护、过流保护以及相位跟踪等功能，并在过流、欠压故障排除后能自动恢复正常状态。