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To solve the reactive power sharing issue in droop control application, many solutions have been developed based on the basic wireless manner. However, existing wireless methods cannot eliminate reactive power sharing errors effectively, especially in load change situations. In this paper, a wireless reactive power sharing method that employs feeder current sensing and adaptive virtual impedance control...
The frequency and voltage droop control is one important method which can deal with power sharing problem and realize “plug and play” function in microgrid. But it is subject to the power coupling and steady-state reactive power sharing error when employed in low voltage microgrids. Furthermore, complex microgrid configurations often make the power sharing more challenging. In this paper, an accurate...
Harmonic impedance is the important parameter to analyze the stability of power system. In the microgrid, due to the existence of power converters with constant power characteristics which may result in negative impedance and thus decreases the system stability, harmonic impedance measurement is also of great significance. In this paper, the droop control strategy for parallel inverters in microgrid...
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