PLL Instability of Wind Turbines During Severe Faults
Stringent grid codes require wind turbines (WTs) to remain connected even during severe faults. This can result in PLL instability and Loss of Synchronisation (LoS), which is the main subject of this paper. For a better understanding, the phenomenon is analysed in the dq equivalence. The presented a...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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IEEE
2022-01-01
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| Series: | IEEE Access |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/9672200/ |
| _version_ | 1798025573713313792 |
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| author | Amir Arasteh Nicolaos A. Cutululis |
| author_facet | Amir Arasteh Nicolaos A. Cutululis |
| author_sort | Amir Arasteh |
| collection | DOAJ |
| description | Stringent grid codes require wind turbines (WTs) to remain connected even during severe faults. This can result in PLL instability and Loss of Synchronisation (LoS), which is the main subject of this paper. For a better understanding, the phenomenon is analysed in the dq equivalence. The presented analysis enlightens the root cause of the associated instability and clarifies the key role of PLL in that. Based on this analysis, a hybrid solution combining an Adaptive-PLL with impedance estimation is proposed. In this regard, the PLL-gains during the fault are selected in accordance with accuracy of the impedance estimation: the higher the accuracy of the estimation, the lesser the required changes in the gains of PLL. The work also proposes a logical circuit for a more reliable detection of LoS, allowing the controller to only act when necessary. Simulation results and discussions support the proposals. |
| first_indexed | 2024-04-11T18:21:01Z |
| format | Article |
| id | doaj.art-8827e226f7224a83afbd203ed1d8ba17 |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-04-11T18:21:01Z |
| publishDate | 2022-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-8827e226f7224a83afbd203ed1d8ba172022-12-22T04:09:45ZengIEEEIEEE Access2169-35362022-01-01104495450510.1109/ACCESS.2022.31407289672200PLL Instability of Wind Turbines During Severe FaultsAmir Arasteh0https://orcid.org/0000-0002-5459-8170Nicolaos A. Cutululis1https://orcid.org/0000-0003-2438-1429Department of Wind Energy, Technical University of Denmark, Roskilde, DenmarkDepartment of Wind Energy, Technical University of Denmark, Roskilde, DenmarkStringent grid codes require wind turbines (WTs) to remain connected even during severe faults. This can result in PLL instability and Loss of Synchronisation (LoS), which is the main subject of this paper. For a better understanding, the phenomenon is analysed in the dq equivalence. The presented analysis enlightens the root cause of the associated instability and clarifies the key role of PLL in that. Based on this analysis, a hybrid solution combining an Adaptive-PLL with impedance estimation is proposed. In this regard, the PLL-gains during the fault are selected in accordance with accuracy of the impedance estimation: the higher the accuracy of the estimation, the lesser the required changes in the gains of PLL. The work also proposes a logical circuit for a more reliable detection of LoS, allowing the controller to only act when necessary. Simulation results and discussions support the proposals.https://ieeexplore.ieee.org/document/9672200/Adaptive-PLLestimated impedance valuegrid following wind turbinesloss of synchronisationPLL instabilitysevere faults |
| spellingShingle | Amir Arasteh Nicolaos A. Cutululis PLL Instability of Wind Turbines During Severe Faults IEEE Access Adaptive-PLL estimated impedance value grid following wind turbines loss of synchronisation PLL instability severe faults |
| title | PLL Instability of Wind Turbines During Severe Faults |
| title_full | PLL Instability of Wind Turbines During Severe Faults |
| title_fullStr | PLL Instability of Wind Turbines During Severe Faults |
| title_full_unstemmed | PLL Instability of Wind Turbines During Severe Faults |
| title_short | PLL Instability of Wind Turbines During Severe Faults |
| title_sort | pll instability of wind turbines during severe faults |
| topic | Adaptive-PLL estimated impedance value grid following wind turbines loss of synchronisation PLL instability severe faults |
| url | https://ieeexplore.ieee.org/document/9672200/ |
| work_keys_str_mv | AT amirarasteh pllinstabilityofwindturbinesduringseverefaults AT nicolaosacutululis pllinstabilityofwindturbinesduringseverefaults |