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| Content Provider | IET Digital Library |
|---|---|
| Author | Xie, Xiaorong Zhan, Ying Liu, Huakun Liu, Chun |
| Abstract | The existing phasor-measurement unit (PMU) and wide-area measurement system (WAMS) based on the fundamental synchrophasors are insufficient to accurately capture the dynamics of sub/super-synchronous resonance or oscillation (SSR/SSO). To address this issue, this study proposes a new method for the simultaneous and precise measurement of the fundamental and multiple sub/super-synchronous harmonic phasors. It improves the classic discrete Fourier transform (DFT)-based method by adding adaptive frequency detection, modal filtration and phasor correction and compensation. Thus, in the context of SSR/SSO, the phasors of both fundamental and interharmonic components can be precisely obtained at local PMUs and the control/data centre of WAMS. The basic procedures and the prototype implementation of the method have been elaborated, and the performance has been examined with simulation signals as well as the field data recorded from an actual SSO incident. The results have verified its high precision, noise immunity and fast response. |
| Starting Page | 49 |
| Ending Page | 56 |
| Page Count | 8 |
| ISSN | 17521416 |
| Volume Number | 13 |
| e-ISSN | 17521424 |
| Issue Number | Issue 1, Jan (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/13/1 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2018.5533 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2018-08-28 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Adaptive Frequency Detection Classic DFT-based Method Compensation Control Centre Data Centre Discrete Fourier Transform Electric Power Generation Fast Response Fundamental Component Fundamental Subsynchronous Harmonic Phasors Fundamental Synchrophasors Harmonics Improved Synchrophasor Measurement Integral Transforms Interharmonic Component Local PMUs Modal Filtration Multiple Super-synchronous Harmonic Phasors Noise Immunity Phasor Compensation Phasor Correction Phasor Measurement Power Supply Quality Power System Power System Control Power System Harmonics Power System Measurement And Metering Power System Stability Precise Measurement Renewable Generation Simultaneous Measurement SSR-SSO Subsynchronous Oscillation Subsynchronous Resonance Super-synchronous Dynamics Super-synchronous Oscillation Super-synchronous Resonance WAMS Wide-area Measurement System |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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