TY - JOUR
T1 - Coordinated Control Based on Bus-Signaling and Virtual Inertia for Islanded DC Microgrids
AU - Wu, Dan
AU - Tang, Fen
AU - Dragicevic, Tomislav
AU - Guerrero, Josep M.
AU - Vasquez, Juan Carlos
PY - 2015/11
Y1 - 2015/11
N2 - A low-voltage DC islanded microgrid contains a number of renewable energy sources (RES), local loads, and energy storage systems (ESS). To avoid the over-charging and over-discharging situations of ESS, a coordinated control strategy should be used in DC islanded microgrids. In this paper, a novel bus-signaling method (BSM) is proposed to achieve autonomous coordinated performance of system according to different state of charge (SoC) conditions. Additionally, a secondary coordinated control is introduced to restore the voltage deviation produced by primary control level without decaying coordinated performance. The proposed control algorithm and controller implementation based on BSM are also presented. Finally, real-time simulation results show the feasibility of the proposed approach by presenting the operation of a DC islanded microgrid in different testing scenarios.
AB - A low-voltage DC islanded microgrid contains a number of renewable energy sources (RES), local loads, and energy storage systems (ESS). To avoid the over-charging and over-discharging situations of ESS, a coordinated control strategy should be used in DC islanded microgrids. In this paper, a novel bus-signaling method (BSM) is proposed to achieve autonomous coordinated performance of system according to different state of charge (SoC) conditions. Additionally, a secondary coordinated control is introduced to restore the voltage deviation produced by primary control level without decaying coordinated performance. The proposed control algorithm and controller implementation based on BSM are also presented. Finally, real-time simulation results show the feasibility of the proposed approach by presenting the operation of a DC islanded microgrid in different testing scenarios.
KW - Coordinated control
KW - DC islanded microgrids
KW - Bus-signaling method
KW - Secondary control
KW - Primary control
U2 - 10.1109/TSG.2014.2387357
DO - 10.1109/TSG.2014.2387357
M3 - Journal article
SN - 1949-3053
VL - 6
SP - 2627
EP - 2638
JO - I E E E Transactions on Smart Grid
JF - I E E E Transactions on Smart Grid
IS - 6
ER -