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The stability of bus voltage is the main target of DC microgrid operation. DC microgrid including constant power load, distributed generations employed droop control, and resistive load is investigated. The constant power load can reduce system stability margin, and even cause bus voltage oscillating. The droop control can share the current among different distributed generations, but it can result...
Cascaded Buck conversion system is a typical structure in dc distributed power system (DPS). It is known that, the interaction between its individually designed power modules/subsystems may cause the instability problem of the whole system. The traditional solution is to design this system by Middlebrook criterion. However, authors found that, even if the entire system meets Middlebrook criterion,...
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