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Abstract
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Fault Tolerant Control (FTC) is an essential component of Micro grids (MGs) due to their ability to integrate distributed generation sources, reduce energy losses , and respond to natural disasters. Through the use of passive control and active control, the system can be made more resilient and capable of controlling voltage and frequency instability, Plug and Play capacity of renewable energy sources, compensation of voltage and frequency deviations from primary control, electrical and thermal energy management, load management, and synchronization with the Main Grid. Various studies have been conducted to implement Fault Tolerant Control systems in MGs, with the results showing that the proposed approaches are able to maintain satisfactory performance under various fault conditions. The most common approaches include distributed observer-based fault-tolerant control, decentralized sliding mode control, hybrid adaptive fault-tolerant control, observer-based fault detection and isolation, and hybrid multi-level grid architectures. With these approaches, Micro grids are able to provide reliable power supply with increased efficiency and reduced cost
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