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Normally, photovoltaic (PV) power system can be considered as a disturbance of power system. But in proposed paper that when power fluctuation occurs, high permeability PV system can suppress power grids low frequency oscillation because of its large capacity and quick response. If high penetration PV system has the ability of power system energy balance, it is sure to get more extensive applications...
Low-frequency oscillation occurs when the transmission lines equivalent impedance is small or negative. As the increase penetration of PV system, it plays an important role for system stability. A novel method for low-frequency oscillation suppression based on PV system is proposed. Model of PV accessed to power grid is established, which reveal the relationship between output power of PV system and...
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