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| Content Provider | IET Digital Library |
|---|---|
| Author | Tan, Yong Chen, Rong Wang, Meng Zhang, Min Hou, Mingguo |
| Abstract | With the rapid development of renewable energy power generations, AC/DC transmissions and static compensations etc., power electronic technology has been widely applied in power system. As traditional power equipment is replaced by a large number of power electronic devices, the disturbances such as harmonic interference and sub-synchronous oscillation are more frequently. In order to detect the sub-synchronous oscillation in power system in time, and take measures to ensure the safety and stability of power system, this article analyses the algorithm principle of the phasor measurement unit (PMU) and the communication architecture of wide area measurement system (WAMS)/PMU system. According to the IEEE Std C37.118-2011 standard, it elaborates the problems and the limitations existing in the monitoring of sub-synchronous and super-synchronous harmonic parameters on WAMS. On the basis of the above, a method of online identification and alarm for the sub-synchronous and super-synchronous harmonic parameters on PMU device is proposed. Combined with the fast Fourier transform spectrum correction theory, the high-accuracy identification method of distributed sub-synchronous and super-synchronous harmonic parameter is realised. The feasibility and accuracy of the method is verified by simulation experiments. |
| Starting Page | 1275 |
| Ending Page | 1279 |
| Page Count | 5 |
| Volume Number | 2017 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2017/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2017.0534 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2017-01-01 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Communication Architecture Distributed Sub-synchronous Harmonic Parameter Electrical Safety Fast Fourier Transform Fast Fourier Transform Spectrum Correction Theory Harmonics High-accurate Estimation Method IEEE Standards IEEE Std C37.118-2011 Standard Integral Transforms Online Alarm Online Parameter Identification Phasor Measurement Phasor Measurement Unit Plant Engineering, Maintenance And Safety Power Converter Power Electronic Device Power Electronics Power Supplies to Apparatus Power Supply Quality Power System Control Power System Harmonics Power System Measurement And Metering Power System Parameter Estimation Power System Safety Power System Stability Sub-synchronous Oscillation Super-synchronous Harmonic Parameter WAMS-PMU System Wide Area Measurement System |
| Content Type | Text |
| Resource Type | Article |
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