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| Content Provider | IET Digital Library |
|---|---|
| Author | Soni, Bhanu P. Saxena, Akash Gupta, Vikas Surana, Simrath L. |
| Abstract | The modern power system is becoming more complex and dynamic because of increasing penetration of renewable energy resources, operating closer to system capacity for economic benefits. In order to maintain the system stability, the system operator is required to initiate appropriate preventive control action under severe contingencies while satisfying the system operating constraints. Real time transient stability assessment (TSA) of power system is proposed in this paper by using wide area measurement system (WAMS) and phasor measurement units (PMUs). An architecture based on least square support vector machine (LS-SVM) has been developed to identify the system stability state in real time. Also, this paper proposes a coherency based selection method to identify the appropriate members for generation rescheduling as preventive operation in insecure operating contingency. Rotor angle trajectories based transient stability index (TSI) is employed to classify the generators as either critical or non-critical generators in a power network. Accordingly preventive control action in the form of generation rescheduling can be initiated to achieve stability. The method has been demonstrated on the IEEE 10-machines, 39-bus system. The proposed methodology is effective and capable of handling complex power system models with multiple contingencies. |
| Starting Page | 5345 |
| Ending Page | 5350 |
| Page Count | 6 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 18, Jul (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/18 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.9353 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2019-07-08 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | 39-bus System Coherency-based Selection Method Complex Power System Model Control of Electric Power System Critical Generators Deregulated Power System Deregulated Scenario Electric Generators Generation Rescheduling Increasing Penetration Insecure Operating Contingency Knowledge Engineering Technique Learning in AI Least Squares Approximation Modern Power System Noncritical Generator Optimisation Technique Phasor Measurement Unit Power Engineering Computing Power Network Power System Control Power System Measurement Power System Measurement And Metering Power System Security Power System Simulation Power System Transient Stability Preventive Control Action Preventive Operation Real-time Transient Stability Assessment Renewable ReSource Rotor Angle Trajectories-based Transient Severity Index Rotors Security Severe Contingency Square Support Vector Machine Supervised Learning Approach Preventive Control Support Vector Machine System Capacity System Operating Constraint System Operator System Reliability System Stability State System Transient Stability Transient Stability-oriented Assessment |
| Content Type | Text |
| Resource Type | Article |
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