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Lead-carbon Batteries as an energy storage device, its state of charge is an important parameter of the entire battery energy storage system. This paper uses the Improved Thevenin model as the battery mathematical model, and establishes the state-space equations. First of all, it fits the function relationships between the parameters and the SOC. And then it establishes a set of equations combined...
Hybrid photovoltaic (PV)-battery-hydropower microgrids (MGs) can be considered to enhance electricity accessibility and availability in remote areas. However, the coexistence of different renewable-energy sources with different inertias and control strategies may affect system stability. In this paper, a hierarchical controller for a hybrid PV-battery-hydropower MG is proposed in order to achieve...
The traditional power droop controllers are commonly used in distributed generation (DG) units to share the loads among the parallel inverters. However, the parameters of the power transmission and distribution line in microgrid are small and generally presented high resistance-to-inductance (R/X) ratio which will seriously influence the performance of the traditional power droop controller, even...
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