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Satellite communication based loss-of-mains protection

Dysko, A. and Burt, G.M. and Moore, P.J. and Glover, I.A. and McDonald, J.R. (2008) Satellite communication based loss-of-mains protection. In: IET 9th International Conference on Developments in Power System Protection, 2008. IEEE, pp. 687-692. ISBN 9780863419027

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Loss-of-mains (LOM) protection is a safety requirement for distributed generators intending to prevent unintentional islanded operation of a section of the distribution network. With increased numbers of small and medium scale generators connected to the system the correct operation of the LOM protection becomes critical. This paper proposes a new countrywide solution for the detection of islanded operation based on satellite communication. The new method is compared with the existing approaches and the performance is tested with carefully prepared sensitivity and stability scenarios. Practical implications of utilising available satellite channels are also discussed.