Line Differential Protection Scheme Modelling for Underground 420 kV Cable Systems

Michal Sztykiel, Claus Leth Bak, Sebastian Dollerup

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Abstrakt

Based on the analysis of a specific relay model and an HVAC (High Voltage Alternating Current) cable system, a detailed approach to EMTDC/PSCAD modelling of protective relays is presented. Such approach allows to create complex and accurate relay models derived from the original algorithms. Relay models can be applied with various systems, allowing to obtain the most optimal configuration of the protective relaying. The present paper describes modelling methodology on the basis of Siemens SIPROTEC 4 7SD522/610. Relay model was verified experimentally with its real equivalent by both EMTP-simulated and real world generated current signals connected to the relay.
OriginalsprogEngelsk
TidsskriftJournal of Energy and Power Engineering
Sider (fra-til)799-808
Antal sider10
ISSN1934-8975
StatusUdgivet - 2011

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