Some aspects of the tunisian power system transient stability

This paper exposes some aspects of the Tunisian power system transient stability, drawn from the operational experience of the network. Different types and criteria of stability are considered: angular stability is studied by determining the fault critical clearing time after short circuit faults. F...

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Bibliographic Details
Main Authors: Hamida, Adnene Haj, Ben Kilani, Khadija, Elleuch, Mohamed
Format: Conference Proceeding
Language:English
Subjects:
CCT
Circuit faults
Circuit stability
critical clearing time
dynamic stability
frequency stability
Generators
Power system stability
primary reserve
Production
short-circuit
Stability criteria
transient stability
Tunisian power system
under-frequency load shedding
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Summary:This paper exposes some aspects of the Tunisian power system transient stability, drawn from the operational experience of the network. Different types and criteria of stability are considered: angular stability is studied by determining the fault critical clearing time after short circuit faults. Frequency stability is assessed function of allocated primary reserves and under-frequency load shedding at different loading conditions: peak load and off-peak load. Various contingent scenarios are considered: the trip of the largest generating unit and loss of load, combined with inadequate operation of power system stabilizers (PSS). The results are discussed in terms of stability of northern and southern regions of the Tunisian electric network.
ISSN:2474-0446
DOI:10.1109/SSD.2017.8166975