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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shimin Yi Fushuan Wen Shijun Yi |
| Copyright Year | 2011 |
| Description | Author affiliation: School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China (Fushuan Wen) || South China University of Technology, Guangdong Power Dispatching Center, Guangzhou 510600, China (Shimin Yi) || National Grid Electricity Network Control, Center, Wokingham, RG41 5BN, UK (Shijun Yi) |
| Abstract | The development of the modern Global Positioning System (GPS) technique makes the real time monitoring of the generator status workable. However it is impractical and unnecessary to install GPS devices at all generators due to the high cost. Observations and calculations indicate that most of the generators in a large power system have some similar transient power angle characteristics. Therefore the generators can be grouped according to the similarity of their power angle characteristics, and within each group only one generator is required to install GPS device to monitor the real time status of all the generators in the group. Based on the coherence group theory, the coherence groups of the generators are irrelevant to the magnitude of disturbance and the details of the generator unit model. Therefore, by building a classical synchronous generator linear system model, an accessible Gram matrix model can be derived. Then according to the generator identification rule of ε-coherence (or coherent group), the generator coherence groups can be identified in a large power system. The methodology can facilitate the real time monitoring of generators' status and the real-time control based on the GPS technique. |
| Starting Page | 332 |
| Ending Page | 336 |
| File Size | 668279 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781457703645 |
| e-ISBN | 9781457703652 |
| DOI | 10.1109/DRPT.2011.5993912 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-07-06 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Generators Power system stability Mathematical model Coherence Real time systems Stability criteria Power system Transient stability Coherent group theory |
| Content Type | Text |
| Resource Type | Article |
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