Hardware prototype and real-time validation of the satellite communication based loss-of-mains protection

Li, X and Dysko, A and Abdulhadi, I. and King, R (2014) Hardware prototype and real-time validation of the satellite communication based loss-of-mains protection. In: 12th IET International Conference on Developments in Power System Protection (DPSP 2014). Institution of Engineering and Technology, Stevenage, pp. 1-6. ISBN 9781849198349

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Abstract

This paper describes the current progress of the project developing a satellite based Loss-of-Mains (LOM) protection based on accumulated voltage phase angle difference (VPAD). In the initial stage of the laboratory trial, relay prototype in Opal-RT/RT-lab, test network modelled in RTDS/RSCAD and a commercial SEL-PMU are interconnected to establish a hardware-in-the-loop test platform. With a series of tests carefully designed for stability and sensitivity assessment, considering various generator control and load representations, the new protection scheme has been proved to have both enhanced stability and sensitivity over the existing passive LOM methods.