CAJ | 학술논문

针对单相非隔离型光伏并网逆变器进行研究，搭建了 Boost +6管 H 桥的硬件实验平台，并完成了以TMS320LF2407A+TMS320LF2801双 CPU 为核心的全数字控制算法设计。文中深入分析了6管 H 桥拓扑对系统漏电流的抑制原理，以及系统的硬件拓扑、控制架构与并网控制策略，并进行实验研究，实验结果证明了该设计方案的可行与实验样机性能的优良。
침대단상비격리형광복병망역변기진행연구，탑건료 Boost +6관 H 교적경건실험평태，병완성료이TMS320LF2407A+TMS320LF2801쌍 CPU 위핵심적전수자공제산법설계。문중심입분석료6관 H 교탁복대계통루전류적억제원리，이급계통적경건탁복、공제가구여병망공제책략，병진행실험연구，실험결과증명료해설계방안적가행여실험양궤성능적우량。
This research focuses on the single-phase non-isolated PV grid-connected inverter.A prototype with H6-Type bridge and Boost converter is set up.The digital control algorithm is implemented based on two CPUs which are TMS320LF2407A and TMS320LF2801 .The principle of system leakage current suppression with H6-Type inverter is thoroughly analyzed.In addition,the system hardware and grid-connected control strategy are introduced.The experiment results verify that the proposed design scheme is effective.