page_title: VVER-TOI
section_title: Upgrading possibility
hierarchical_section_title: VVER-TOI / Upgrading possibility
caption_attribution_description: English: 3D-design of VVER-TOI Power Unit Русский: 3D-проект энергоблока ВВЭР-ТОИ
context_page_description: The VVER-TOI or WWER-TOI is a generation III+ nuclear power reactor based on VVER technology developed by Rosatom.
  The VVER-TOI design is intended to improve the competitiveness of Russian VVER technology in international markets.
  It would use VVER-1300/510 water pressurized reactors constructed to meet modern nuclear and radiation safety requirements.
  The VVER-TOI project is developed on the basis of the design documents worked out for AES-2006, considering the experience gained in development of projects based on VVER technology both in Russia and abroad, such as Novovoronezh Nuclear Power Plant II. The first VVER-TOI will be unit 1 of the Kursk II Nuclear Power Plant.
context_section_description: VVER-TOI power unit circuits, equipment, systems and structures design make it possible to upgrade it allowing for:
  increase annual electric power production (e.g. by ICUF increasing, scheduled and unplanned downtime reduction);
  decrease auxiliary power consumption;
  decrease electric and thermal power losses;
  improve personnel working conditions;
  keep a proper safety level following to toughening requirements provided by regulatory documents and necessity to receive operation permits on a periodical basis during Nuclear power plant design service life.
caption: 3D-design of VVER-TOI Power Unit
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