| Issue |
E3S Web Conf.
Volume 209, 2020
ENERGY-21 – Sustainable Development & Smart Management
|
|
|---|---|---|
| Article Number | 03005 | |
| Number of page(s) | 5 | |
| Section | Session 2. Advanced Energy Technologies: Clean, Resource-Saving, and Renewable Energy | |
| DOI | https://doi.org/10.1051/e3sconf/202020903005 | |
| Published online | 23 November 2020 | |
Possible in-service damages of steam generators at VVER-1000 and VVER-1200 NPP units and their impact on long-term operation
1 LLE “SPE “DIAPROK”, Moscow, Russia Federation
2 Peter the Great St. Petersburg Polytechnic University, Sankt-Petersburg, Russia Federation
3 ANO “International Nuclear Safety Center”, Moscow, Russia Federation
* Corresponding author: arzhaev.alexander@yandex.ru
Specific features of corrosion-mechanical damages of primary circuit header to steam generator vessel branch welds at VVER-1000 NPPs and their impact on safety and economic efficiency during long-term operation are analysed. Measures to avoid the damages for similar zones of VVER-1200 steam generators are discussed.
Key words: VVER-1000& VVER-1200 reactor facilities / long-term operation / steam generator / weld of primary circuit header to steam generator branch / corrosion-mechanical damage in operation
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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