Maintaining the reasonable distribution of load current while regulating the bus voltage balance among them is a challenging control issue in DC microgrids. Many cases have proposed a
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This paper reviews the existing DG interconnection standards for microgrid resynchronization, investigates possible simple solutions for voltage balancing, and shows that the
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During the transition of a microgrid from islanded to grid-connected operations, it is essential to smoothly adjust the electrical quantities on both sides of the grid connection switch [14–17].
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In order to realize the effective distribution of reactive power, reduce the drop of voltage amplitude and keep the common bus voltage within a certain range, this paper proposes a microgrid
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The predictive voltage control strategy leverages predictive control techniques to anticipate future system behavior and adjust control actions accordingly. By incorporating active
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Within each MG, the distributed generation (DG) components typically employ synchronous constant-frequency voltage–current droop control to enable swift and seamless voltage
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By analyzing the mechanism of voltage fluctuations at PCC during grid connection operation, the relevant factors that affect the voltage fluctuations at PCC are identified. A voltage
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In the voltage control scheme presented in this paper, the microgrid sensed voltage is compared with the nominal voltage set point when the grid fault is detected and the island operation
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In the point-to-point method, using a point-to-point communication protocol, all critical information is given to the local controllers (Etemadi et al., 2012, Luo et al., 2013b). Table 1 presents
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Pre-synchronization control is needed when the microgrid changes from an off-grid state to a grid-connected state. Aiming to resolve the problems of frequency overstep and voltage
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