CAJ | 학술논문

以光伏发电并网系统中的两级式单相全桥并网逆变器为研究对象，介绍了该系统的总体设计方案，并详细阐述了逆变器主电路关键参数的计算，驱动电路、采样电路与过零点检测电路的设计，并网控制策略及DSP相关控制环节的软件设计，最后给出样机实验结果，验证了该系统各硬件电路符合设计要求。
이광복발전병망계통중적량급식단상전교병망역변기위연구대상，개소료해계통적총체설계방안，병상세천술료역변기주전로관건삼수적계산，구동전로、채양전로여과영점검측전로적설계，병망공제책략급DSP상관공제배절적연건설계，최후급출양궤실험결과，험증료해계통각경건전로부합설계요구。
Taking the two-staged single-phase bridge grid connected inverter as the research object,this study intro-duces the overall design of photovoltaic power generation system,and expounds the calculation of key parameters of the main circuits of the inverter,the designs of drive circuit,sampling circuit and the zero crossing detection cir-cuit,the grid-connection control strategies and the software design of the control links related to DSP. In the end, the experimental result of prototype machine is given,which validates that the hardware circuits of the system meet the requirements of the design.