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Extension of the Generic Multi-Frequency Modelling Method for Type 3 Wind Turbines.
- Source :
-
IEEE Transactions on Energy Conversion . Sep2022, Vol. 37 Issue 3, p1875-1884. 10p. - Publication Year :
- 2022
-
Abstract
- Reflecting potential non-linearities of converter-based systems, especially frequency and sequence couplings, is an ongoing challenge for linearized multi-frequency models. Besides, design details are required to develop such models, which either are the intellectual property of manufacturers or require experimental tests. The generic multi-frequency modelling method has been proposed to fill this gap; however, it is only developed for converter-connected systems, e.g., Type 4 Wind Turbines (WT). This paper proposes to extend the application of the generic multi-frequency modelling method for Type 3 WTs. In this way, a theory for patterns of the couplings in Type 3 WTs is proposed. Accordingly, a group of emissions and couplings are Rotor-Speed-Dependent (RSD). The RSD emissions and couplings are particular characteristics of Type 3 WTs, which should be addressed in the generic multi-frequency models. The proposed theory is verified by unique-worldwide experimental perturbation tests on a 2 MVA Type 3 WT using a 7 MVA grid emulator. Accordingly, a limited number of RSD couplings and emissions are observed in the test results, mainly in low frequencies (below 1 kHz). Therefore, addressing the RSD couplings is practical and important to extend the generic multi-frequency modelling for Type 3 WTs. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08858969
- Volume :
- 37
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Energy Conversion
- Publication Type :
- Academic Journal
- Accession number :
- 158649905
- Full Text :
- https://doi.org/10.1109/TEC.2022.3166470