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Design of a Distributed Signal Processing Unit for Transmission Line Protection in a Centralized Substation Protection Architecture
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.ORCID iD: 0000-0001-9073-0792
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.ORCID iD: 0000-0003-3014-5609
2018 (English)In: IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, Institute of Electrical and Electronics Engineers (IEEE), 2018, p. 138-144Conference paper, Published paper (Refereed)
Abstract [en]

Travelling-wave and time-domain-based protection functions provide significant response time improvements over conventional phasor-based protection functions in power systems. These types of protection functions require very high sampling rates in the order of several hundreds of kHz. This paper proposes a novel centralized substation protection architecture (CPC) based on distributed signal processing units (DSPU) that enables the deployment of these high sampling rate applications in digital substations utilizing an Ethernet-based process-level network. The design of the DSPU is elaborated, and its signal processing algorithms are discussed. Moreover, the performance of the DSPU is analysed through dynamic tests and verified through a numerical electromaanetic transient simulation.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. p. 138-144
Keywords [en]
Finite impulse response filters, Substations, Signal processing algorithms, Harmonic analysis, Power system protection
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-240842DOI: 10.1109/IECON.2018.8591767Scopus ID: 2-s2.0-85061523664ISBN: 978-1-5090-6684-1 (electronic)OAI: oai:DiVA.org:kth-240842DiVA, id: diva2:1275063
Conference
IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, Washington, 21-23 October, 2018
Note

QC 20190107

Available from: 2019-01-04 Created: 2019-01-04 Last updated: 2019-03-18Bibliographically approved

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Publisher's full textScopushttps://ieeexplore.ieee.org/document/8591767

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Hohn, FabianWang, JianpingNordström, Lars

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