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Standardization of power system protection settings using IEC 61850 for improved interoperability

Hong, Qiteng and Blair, Steven Macpherson and Catterson, Victoria and Dysko, Adam and Booth, Campbell and Rahman, Tahasin (2013) Standardization of power system protection settings using IEC 61850 for improved interoperability. In: 2013 IEEE Power & Energy Society General Meeting, 2013-07-21 - 2013-07-25.

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One of the potential benefits of smart grid development is that data becomes more open and available for use by multiple applications. Many existing protection relays use proprietary formats for storing protection settings. This paper proposes to apply the IEC 61850 data model and System Configuration description Language (SCL), which are formally defined, to represent protection settings. Protection setting files in proprietary formats are parsed using rule-based reasoning, mapped to the IEC 61850 data model, and exported as SCL files. An important application of using SCL-based protection setting files is to achieve protection setting interoperability, which could bring multiple compelling benefits, such as significantly streamlining the IED configuration process and releasing utilities from being “locked in” to one particular vendor. For this purpose, this paper proposes a uniform configuration process for future IEDs. The challenges involved in the implementation of the proposed approach are discussed and possible solutions are presented.