Impact of Model Detail of Synchronous Machines on Real-time Transient Stability Assessment

General Topics for Engineers; Power; Energy and Industry Applications; Generators; Power system stability; Rotors; Stability criteria; Transient analysis

Abstract :

[en] In this paper, it is investigated how detailed the model of a synchronous machine needs to be in order to assess transient stability using a Single Machine Equivalent (SIME). The results will show how the stability mechanism and the stability assessment are affected by the model detail. In order to identify the transient stability mechanism, a simulation with a high-order model was used as reference. The Western System Coordinating Council System (WSCC) and the New England & New York system are considered and simulations of an unstable and a stable scenario are carried out, where the detail of the machine models is varied. Analyses of the results suggest that a 4th -order model may be sufficient to represent synchronous machines in transient stability studies.

Disciplines :

Electrical & electronics engineering

Author, co-author :

Weckesser, Johannes ; Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation

Jóhannsson, Hjörtur

Østergaard, Jacob

Language :

English

Title :

Impact of Model Detail of Synchronous Machines on Real-time Transient Stability Assessment

Publication date :

2013

Event name :

2013 IREP Symposium - Bulk Power System Dynamics and Control - IX Optimization, Security and Control of the Emerging Power Grid (IREP)

Event date :

from 25-08-2013 to 30-08-2013

Audience :

International

Main work title :

Proceedings of 2013 IREP Symposium

Publisher :

IEEE

ISBN/EAN :

978-1-4799-0199-9

Peer reviewed :

Peer reviewed

Available on ORBi :

since 16 February 2016

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