Pre-and post-disturbance transient stability assessment using intelligent systems via quick estimating of the critical clearing time
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Farid Karbalaei
,
Hamid Reza Shabani
und
Shahriar Abbasi
Abstract
The real time transient stability assessment is the important steps of the dynamic security evaluation of power systems. To do this, intelligent systems (ISs) such as neural networks as an effective method to accurately and quickly estimate the critical clearing time (CCT) has been widely used. But, choosing the proper inputs for these systems remains a major challenge for researchers, still. Variables related to energy functions such as minimum kinetic energy, the slope of the variation of the minimum kinetic energy and maximum potential energy contain useful information in estimating CCT. Accordingly, in this paper, these variables are used as the IS inputs. However, the time-domain simulation of the power system response to obtain these inputs is time consuming. To be able to use the energy function-based inputs for real time stability assessment, in addition to the main IS used to estimate CCT, another ISs are used. By those ISs, a very limited period of system response is simulated to obtain proper inputs of the main IS. The method is simulated on the 10-generator New England test system. Simulation results show, the CCT can be found by simulation just 0.05 s of the considered power grid.
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Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Artikel in diesem Heft
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Artikel in diesem Heft
- Frontmatter
- Review
- Offshore wind transmission in the United States. A collectivist culture versus Europe’s individualistic approach?
- Research Articles
- Electrical design analyses studies on ultra high voltage air insulated surge arresters
- An enhanced implementation of SRF and DDSRF-PLL for three-phase converters in weak grid
- Optimal design, techno-economic and sensitivity analysis of a grid-connected hybrid renewable energy system: a case study
- Adaptive power management algorithm for multi-source DC microgrid system
- Pre-and post-disturbance transient stability assessment using intelligent systems via quick estimating of the critical clearing time
- Thermal ageing performance evaluation of TUK and Nomex-910 papers in natural monoesters
- Oil temperature prediction of power transformers based on modified support vector regression machine
- Parameter optimization of PV integrated Shunt Active power filter with Taguchi SNR
- Seven level aligned multilevel inverter with new SPWM technique for PV, wind, battery-based hybrid standalone system
- Multi-objective optimal capacity allocation of integrated energy system with co-evolution mechanism
