Wind power fluctuation compensation by variable speed pumped storage plants in grid integrated system: Frequency spectrum analysis

Electrical power generation from wind technology is the most rapidly growing technology due to its ample characteristics. Nevertheless, because of its stochastic feature, it has the unnecessary impact on the operations and stability of the power grid system. The fluctuation of the grid frequency pro...

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Bibliographic Details
Published in:CSEE Journal of Power and Energy Systems 2021-03, Vol.7 (2), p.381-395
Main Authors: Minxiao Han, Girmaw Teshager Bitew, Sifrash Amogne Mekonnen, Wenli Yan
Format: Article
Language:English
Subjects:
Collapse
Compensation
Control stability
Electric power
Electric power systems
Frequency analysis
Frequency spectrum
Induction motors
Power flow
Program verification (computers)
Pumped storage
Renewable energy
Spectrum analysis
Variation
Wind farms
Wind power
Wind power generation
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Summary:Electrical power generation from wind technology is the most rapidly growing technology due to its ample characteristics. Nevertheless, because of its stochastic feature, it has the unnecessary impact on the operations and stability of the power grid system. The fluctuation of the grid frequency problem, for example, is more pronounced. The fluctuation of the frequency in turn impacts even the collapse of the power system. To minimize such problems, a droop-vector control strategy applied on a doubly-fed induction machine based (DFIM) variable speed pumped storage (VSPS) system is proposed in this paper. This method is should be used as a wind power fluctuation compensation solution in the wind farm-grid integration system. The system model is made on the basis of the technique called a phasor model. The frequency spectrum analysis approach is used in the VSPS plant for determining the dynamic performances of the grid in case of contingencies including wind power fluctuation compensation. The software platform MATLAB/Simulink is used for verifying the performance of the proposed system. The results show that the method of the frequency spectrum analysis technique is effective for determining the wind power fluctuation and stability requirements in large power networks. The control strategy proposed in this paper implementing the VSC-DFIM based VSPS plant integrated with the power gird and wind farm network achieves a well-controlled power flow and stable grid frequency with the deviations being in acceptable ranges.
ISSN:2096-0042
2096-0042
DOI:10.17775/CSEEJPES.2018.00580