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The recently proposed concept virtual synchronous generator (VSG) has been intensively researched. Its core idea is to add a segment in traditional inverter control to simulate synchronous generator's rotor motion characteristic so that the distributed energy resources (DER) can have virtual inertia. VSG control usually contains output current amplitude limiting part to avoid too large current from...
To improve reliability of micro-grid system without energy storage, a maximum power point tracking (MPPT) algorithm considered spinning reserve capacity was proposed. Using implicit curve fitting method, the algorithm set aside 10% of PV array's maximum output power as spinning reserve of distributed generation (DG), and tracked maximum power point of load in real simultaneously. Moreover, to improve...
In order to achieve stable operation of parallel system of distributed generation units and traditional generators, the Virtual Synchronous Generator (VSG) concept was proposed. To resolve the power distribution problem of parallel system, the paper first establishes mathematical model of inverter-dominated distributed generation unit controlled as VSG technology, and investigates active power and...
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