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In this paper, we address the control design problem under the system's model uncertainty utilizing the adaptive control. First, the adaptive control based on the model reference adaptive control technique is presented. Subsequently, the adaptive control technique is applied to a multi-converter system to guarantee the bus-voltage stability and accurate current sharing. Simulation in MATLAB/Simulink...
This paper addresses the frequency regulation problem in paralleled inverter-based microgrid. A fully distributed adaptive control scheme is presented without the need for the central computer. With this method the frequency is regulated to its nominal value, while the power sharing of generators is maintained at the same time. By estimating the parameters on power lines adaptively, the distributed...
This paper presents an algorithm for the operation of batteries within hybrid microgrids. The proposed strategy is not based on any communication, and each distributed controller uses only local measurements. The basic concept of the algorithm is to adapt the setpoints of droop control depending on the State of Charge (SoC) of the battery connected to its DC-link. The introduced method is applied...
Distributed energy resources and energy-storage units are parallel connected through converters in a DC bus microgrid. Current sharing is a basic requirement for microgrid and many current sharing methods are proposed. Distinct from those methods like the average current method, centralized method and master-slave method, the droop control method does not need any interconnections between the converters...
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