CAJ | 학술논문

设计了一种基于双DSC（Digital Signal Control er）控制策略的微型并网光伏逆变器。针对双DSC控制的特点，对电路拓扑结构进行了适当的革新和改进。在DC／DC模块部分使用了隔离变压器，用两个DSC芯片分别控制逆变前后电路，实现了逆变前后电路的完全隔离。详细分析了各模块的工作原理和控制策略，并制作出了相应的硬件电路进行了测试。实验达到了预期的结果，验证了该方案的可行性。
설계료일충기우쌍DSC（Digital Signal Control er）공제책략적미형병망광복역변기。침대쌍DSC공제적특점，대전로탁복결구진행료괄당적혁신화개진。재DC／DC모괴부분사용료격리변압기，용량개DSC심편분별공제역변전후전로，실현료역변전후전로적완전격리。상세분석료각모괴적공작원리화공제책략，병제작출료상응적경건전로진행료측시。실험체도료예기적결과，험증료해방안적가행성。
This paper designs a grid-connected photovoltaic micro-inverter based on double DSC control strategy.According to the characteristics of double DSC controlstrategy,this paper make appropriate innovation and improvements on circuit topology.ln the part of DC/DC module isolation transformer is used.The two DSC chips respectively control the circuits before in-verting and after,which realizes completely isolated.Detailed analysis the working principle and control strategy of each mod-ule and make the corresponding hardware circuit which is tested.