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Abstract
This paper presents the details of a new real-time stability assessment method. The method assesses a particular mechanism of stability: each generator's capability to generate sufficient steady state electromechanical torque. The lack of sufficient steady state torque causes aperiodic increase in rotor angle and a loss of synchronism, referred to as aperiodic small signal instability. The paper provides the theoretical background of the method and an analytical assessment criterion. Furthermore, a mathematical mapping of the generators' operating points that enables informative visualization of multiple operating points is derived in the paper. Finally, results from timedomain simulation of instability scenarios in the Nordic32 test system are presented and results used for testing
the assessment method. The results illustrate the method's capability to efficiently identify the location of the emerging problem and to quantify margins to stability boundary.
the assessment method. The results illustrate the method's capability to efficiently identify the location of the emerging problem and to quantify margins to stability boundary.
Original language | English |
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Title of host publication | Proceedings of 2014 IEEE PES General Meeting, Conference & Exposition |
Number of pages | 1 |
Publisher | IEEE |
Publication date | 2014 |
ISBN (Electronic) | 978-1-4799-6415-4 |
DOIs | |
Publication status | Published - 2014 |
Event | 2014 IEEE PES General Meeting - National Harbor, Washington, United States Duration: 27 Jul 2014 → 31 Jul 2014 |
Conference
Conference | 2014 IEEE PES General Meeting |
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Location | National Harbor |
Country/Territory | United States |
City | Washington |
Period | 27/07/2014 → 31/07/2014 |
Keywords
- Power system measurements
- Power system monitoring
- Power system stability
- Generators
- Impedance
- Real-time systems
- Rotors
- Stability analysis
- Steady-state
Fingerprint
Dive into the research topics of 'Wide-Area Assessment of Aperiodic Small Signal Rotor Angle Stability in Real-Time'. Together they form a unique fingerprint.Projects
- 1 Finished
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SOSPO: Secure Operation of Sustainable Power Systems
Østergaard, J., Jóhannsson, H., Nielsen, A. H., Garcia-Valle, R., Yang, G., Lind, M., Blanke, M., Weckesser, T., Wittrock, M. L., Møller, J. G., Perez, A., Pedersen, A. S. & Zhang, X.
01/01/2012 → 31/03/2016
Project: Research
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