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The power/signal synchronous transmission between converters has attracted much attention since no extra independent signal transmitting equipment is required. In this paper, bifurcation behaviors of a cascaded two-stage Buck-Boost converter are discussed by simplifying the second stage boost converter as constant power load. The amplitude variation of the bus voltage caused by bifurcation is used...
In this paper, system description of a photovoltaic powered three-phase Neutral-Point-Clamped (NPC) inverter is firstly analyzed for the sake of establishing simulation. Based on perturbation & observation method for maximal power point tracking and proportional-integral control, the simulation is carried out to explore the operational system behaviors. The curves of output variables and their...
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