Relay protection values

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Relay protection calculations determine the threshold values and parameters for the protective relays based on the substation's operational and design requirements. Selectivity is a mandatory requirement for all protection, but the importance of it depends on the application. For example, unselective protection operation during a medium voltage network fault will cause an outage for an unnecessarily large number of consumers. Protective Relays - Technical Seminar Nov 2016 - Copyright: IEEE 2 Abstract: Protective relays and devices have been developed over 100 years ago to provide "lastline"of defense for the electrical systems.

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doi: 10.1007/978-3-319-20919-7_3

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