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Issues of Crack Formation in Supporting Structures of a Hydroelectric Generator and Their Remedies

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Power Technology and Engineering Aims and scope

The article presents the key findings of an inspection of the technical condition and calculations for the strength and durability of the supporting structures of a hydroelectric generator and discusses the recommendations for the repair and reinforcement of structural elements. There are contradictions between the unsatisfactory actual technical condition of the structure and their “very good” technical condition index.

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References

  1. GOST 58599–2019. Technical Diagnostics. Diagnostics of Steel Structures. Magnetic Coercimetric Method. General Requirements [in Russian].

  2. STO 36554501-040–2014. Diagnostics of Steel Building Structures. Magnetic Coercimetric Method [in Russian].

  3. GOST 5616–89. Generators and Electric Hydroturbine Generator- Engines. General Technical Requirements [in Russian].

  4. STO RusHydro 02.03.69–2022. Hydroelectric Generators. General Technical Conditions for Overhaul. Norms and Requirements [in Russian].

  5. Methodology for Assessment of Technical Condition of the Main Technological Equipment and Transmission Lines of Power Plants and Electrical Networks, approved by the Order of the Ministry of Energy of Russia dated July 26, 2017 No. 676 (as amended on March 17, 2020) [in Russian].

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Authors and Affiliations

  1. Vedeneev VNIIG” JSC, St. Petersbutg, Russia

    K. I. Vasilchenko

  2. Center for Design and Technological Innovations” LLC, Moscow, Russia

    E. V. Georgievskaya

  3. PJSC RusHydro branch Novosibirskaya HPP, Novosibirskaya, Russia

    A. O. Bashmakov

Authors
  1. K. I. Vasilchenko
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  2. E. V. Georgievskaya
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  3. A. O. Bashmakov
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Corresponding author

Correspondence to K. I. Vasilchenko.

Additional information

Translated from Gidrotekhnicheskoe Stroitel’svo, No. 4, April 2023, pp. 7 – 12. https://doi.org/10.34831/EP.2023.16.79.002

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Vasilchenko, K.I., Georgievskaya, E.V. & Bashmakov, A.O. Issues of Crack Formation in Supporting Structures of a Hydroelectric Generator and Their Remedies. Power Technol Eng 57, 388–393 (2023). https://doi.org/10.1007/s10749-023-01673-y

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  • DOI: https://doi.org/10.1007/s10749-023-01673-y

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