Reliability Evaluation of Multi-Service in Power Wide Area Protection System Considering Network QoS

Kai Yuan; June Li; Kaipei Liu

doi:10.20944/preprints201905.0199.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 3 May 2019 / Approved: 16 May 2019 / Online: 16 May 2019 (10:10:54 CEST)

Based on the topology of wide area protection system (WAPS), after studying the reliability of hardware system and information flow in the WAPS and establishing the reliability assessment model, the multi-service reliability analysis method with multi monitoring and protection tasks in WAPS was proposed. In the model, the impact of network quality of service (QoS) such as information flow loss and delay, is studied. On the base of the model, the multi-service reliability evaluation method is employed to analyze the reliability of a WAPS of IEEE14 node power system, and the key nodes of the WAPS is given, which provides a basis for improving the reliability of the WAPS.

wide area protection system (WAPS); reliability; Fault Tree Analysis (FTA) model; information flow; multi-service

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Reliability Evaluation of Multi-Service in Power Wide Area Protection System Considering Network QoS

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