Although the cyber-physical system stability is widely studied, scholars focus more on with communication time delay. Therein, grid-connected inverters digital control are regarded as one simplest and typical system. Meanwhile, switching/sampling frequency of inverter always selected low possible from an efficiency viewpoint, resulting in unavoidable delay time. This apt to cause instability, w...

This paper presents a control structure for transformerless photovoltaic inverters connected in parallel to manage photovoltaic fields in the MW range. Large photovoltaic farms are usually divided into several photovoltaic fields, each one of them managed by a centralized high power inverter. The current tendency to build up centralized inverters in the MW range is the use of several transforme...

Grid-connected inverters is the core component of distributed generation system, and filter inverters. When inverter works, can effectively suppress high-frequency harmonics in output current side, so as to ensure stability power grid improve working effect whole connected system. The a high order underdamped LLCL Filter also has resonance peak. In this paper, weighted method based on active da...