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Due to the uncertainty of power load demand and the stochastic power generation from renewable energy, frequency fluctuation becomes a major concern of power system, especially for a microgrid. In this paper, an improved proportional-integral (PI) controller based on the neural adaptive control method is proposed to deal with the load frequency control (LFC) problem in a microgrid with wind power...
The frequency stability is very critical for the safe operation of power system. Meanwhile, distributed energy storages and unknown governor dead band (GDB) will cause system frequency deterioration when the load-frequency control (LFC) is not able to tackle these uncertainties. The stability of an island smart grid is a challenging topic because the less power sources can be regulated to handle power...
In this paper, a novel active power oscillation damping controller for superconducting magnetic energy storage (SMES) is developed to increase the power system transient stability. The proposed damping controller is online adaptive learning by using the fuzzy-based goal representation heuristic dynamic programming (Fuzzy-GrHDP) algorithm. Moreover, to address the signal transmission delay in the communication...
In recent years, renewable energy has been largely integrated into power grids as well as micro-grids. The intermittent power injection will affect the stability of the systems, especially for the small-scale ones, such as the micro-grids. Among all the stability issues, load frequency control (LFC) of smart grid with renewable energy integration has become critical in the community. This paper studies...
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