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Electromagnetic Screening of the End Zone of a Powerful Turbine Generator

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Numerical modeling of the screening efficiency and losses in the end zone of a powerful turbine generator has been carried out. The effect of the stacking plan and the bending angle of the stator winding frontal parts, the material of the pressure plate, and the design, dimensions, and location of the electromagnetic screen in the modes of nominal load and under-excitation have been studied. An experimental and computational study of the effect of fabrication welding seams on the effectiveness of an electromagnetic screen was carried out on a full-scale model.

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References

  1. G. Caden, Electromagnetic Screens in High-Frequency Equipment and Telecommunications Equipment [Russian translation], GÉI, Moscow – Leningrad (1957)

  2. Ya. Turovskii, Engineering Electrodynamics [in Russian], Énergiya, Moscow (1974).

  3. Yu. Varlamov, M. Roitgarts, and V. Chechurin, “Numerical electromagnetic analysis in the end zone of a powerful turbine generator,” in: Issues in the Creation and Maintenance of New Types of Power Equipment. Issue 6 [in Russian], Russian Academy of Sciences, Division of Power Issues, St. Petersburg (2004), pp. 60 – 78.

  4. O. Antonyuk, M. Roitgarts, and A. Smirnov, “Electromagnetic screening of a powerful turbogenerator stator end zone,” in: Int. Conf. POWER-GEN Europe, June 8 – 11, 2015, Amsterdam, Holland (2015).

  5. M. B. Roitgarts, Exterior Magnetic Fields of Electrical Machines with Screens of Complex Form. Candidate’s Thesis [in Russian], LPI, Leningrad (1982).

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Authors and Affiliations

  1. JSC Power Machines, St. Petersburg, Russia

    M. B. Roitgarts & A. V. Smirnov

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  1. M. B. Roitgarts
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  2. A. V. Smirnov
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Correspondence to M. B. Roitgarts.

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Translated from Élektricheskie Stantsii, No. 10, October 2022, pp. 46 – 50. https://doi.org/10.34831/EP.2021.1083.10.004

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Roitgarts, M.B., Smirnov, A.V. Electromagnetic Screening of the End Zone of a Powerful Turbine Generator. Power Technol Eng 55, 913–920 (2022). https://doi.org/10.1007/s10749-022-01453-0

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  • DOI: https://doi.org/10.1007/s10749-022-01453-0

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