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A simple and accurate method for estimating the stator winding real-time temperature of air-cooled hydrogenerator

ABSTRACT
In this paper, a novel and simple method is proposed for estimating the stator winding real-time temperature of the air-cooled hydrogenerator. Firstly, the structure and temperature characteristics of the hydrogenerator are analyzed. Then, a data-driven method for estimating the stator winding real-time temperature is proposed, and the implementation steps are illustrated in detail. Finally, the real-time temperature of the stator winding is estimated by the proposed method with different days, which is validated by the test. The result shows that the proposed method can well predict the temperature of the stator winding, which provides a new idea for the temperature measurement of the large hydrogenerator.
KEYWORDS
PAPER SUBMITTED: 2022-02-24
PAPER REVISED: 2022-05-23
PAPER ACCEPTED: 2022-06-22
PUBLISHED ONLINE: 2022-09-10
DOI REFERENCE: https://doi.org/10.2298/TSCI220509119W
REFERENCES
  1. Wang, P., et al., Robustness Improvement on PMU Based Dynamic Equivalent Modeling of Distributed Small Hydropower Generator Stacks, IEEE Transactions on Power Systems, 35(2020), 5, pp. 3388-3399
  2. Han, J., et al., Thermal Modeling and Experimental Validation in the Rotor Region of Hydrogenerator With Different Rotor Structures, IEEE Access, 9(2021), pp. 120001-120009
  3. Sumereder, C., Statistical lifetime of hydro generators and failure analysis, IEEE Transactions on Dielectrics and Electrical Insulation, 15(2008), 3, pp. 678-685
  4. Hwang, S. -W., et al, Design Process and Verification of SPMSM for a Wearable Robot Considering Thermal Characteristics Through LPTN, IEEE/ASME Transactions on Mechatronics, 26(2021), 2, pp. 1033-1042
  5. Tong, W., et al, Loss and Thermal Analysis for High-Speed Amorphous Metal PMSMs Using 3-D Electromagnetic-thermal Bi-Directional Coupling, IEEE Transactions on Energy Conversion, 36(2021), 4, pp. 2839-2849
  6. Tosetti, M., et al ,Conjugate Heat Transfer Analysis of Integrated Brushless Generators for More Electric Engines, IEEE Transactions on Industry Applications, 50(2014), 4, pp. 2467-2475
  7. Tovar-Barranco, A., et al, Modeling of End-Space Convection Heat-Transfer for Internal and External Rotor PMSMs With Fractional-Slot Concentrated Windings, IEEE Transactions on Industrial Electronics, 68(2021), 3, pp. 1928-1937
  8. Boglietti, A., et al, Evolution and Modern Approaches for Thermal Analysis of Electrical Machines, IEEE Transactions on Industrial Electronics, 56(2009), 3, pp. 871-882
  9. Dong, B., et al, Thermal Analysis and Experimental Validation of a 30 kW 60000 r/min High-Speed Permanent Magnet Motor With Magnetic Bearings, IEEE Access, 7(2019), pp. 92184-92192
  10. Bäuml, T., et al, An innovative parametrization method for a thermal equivalent circuit model of an interior permanent magnet synchronous machine, Proceedings, IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society, Melbourne, VIC, Australia, 2011, pp. 1746-1751
  11. Weili, L., et al, Influence of Rotation on Rotor Fluid and Temperature Distribution in a Large Air-Cooled Hydrogenerator, IEEE Transactions on Energy Conversion, 28(2013), 1, pp. 117-124
  12. www.sgzhongli.com/html/product1.html
  13. P, N, Phuc., et al, Rotor Temperature Virtual Sensing for Induction Machines Using a Lumped-Parameter Thermal Network and Dual Kalman Filtering, IEEE Transactions on Energy Conversion, 36(2021), 3, pp. 1688-1699