A Fully Decentralized Control of Grid-Connected Cascaded Inverters
Addresses the communication dependency and reliability issues in grid-connected cascaded inverters for power electronics applications.
Proposed a decentralized control scheme for grid-connected cascaded modular inverters that eliminates the need for real-time communication, improving reliability and reducing costs. Stability conditions were derived and feasibility verified via simulation.
This letter proposes a decentralized control scheme for grid-connected cascaded modular inverters without any communication, and each module makes decisions based on its own local information. In contrast, the conventional methods are usually centralized control and depend on a real-time communication. Thus, the proposed scheme has advantages of improved reliability and decreased costs. The overall system stability is analyzed, and the stability condition is derived as well. The feasibility of the proposed method is verified by simulation.