Abstract
Due to the presence of distributed generation (DG) resources at different levels of the distribution network, the fault current seen by a relay in a microgrid is varied. Further, designing of a proper protection scheme for landing and grid connected modes is one serious challenge facing in a microgrid. Variation of fault current magnitude and direction makes the conventional methods such as over current and directional relays are inappropriate to provide complete protection for microgrids during the grid connected and island mode of operation. In this paper, various new adaptive protection techniques based on network reconfiguration, communication, non-communication for the microgrid system are analysed. These protection techniques are concentrated on addressing the solution to protection issues such as sympathetic tripping, protection blinding and protection coordination in both grid connected and islanded mode of operations.
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Vagicharla, K., Muda, H. (2020). Evaluation of Technologies for Smart Microgrid Protection Schemes. In: Pillai, R., et al. ISGW 2018 Compendium of Technical Papers. ISGW 2018. Lecture Notes in Electrical Engineering, vol 580. Springer, Singapore. https://doi.org/10.1007/978-981-32-9119-5_10
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DOI: https://doi.org/10.1007/978-981-32-9119-5_10
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