Planned preventive maintenance of Power Unit No. 4

Bulgaria

First planned preventive maintenance of TNPP Unit No. 4 has been successfully implemented. Rosatom
Service JSC engaged specialists from 14 Russian enterprises for services provision. During this large-scale
PPM, the Russian and Chinese specialists have jointly settled the existing technical issues and have
successfully accomplished all the set tasks, building their work on the best practices.

Results of project

Timely provision of high-quality engineering services is provided during operation and planned maintenance of TNPP Unit No. 4. Issues of sustainable, safe and reliable operation of TNPP Unit No. 4, as well as accident recovery works on Russian-designed equipment, are settled upon interaction and assistance provided by the Russian companies.

Completed projects

SRF RDRC: State Radium Fund Radium Drug Repackaging Chamber (Russia)

Automated RW Containers Moving System for SCERI JSC (Russia)

Technical Upgrading of “Supercompactor” Plant of FSUE “RADON” (Russia)

Development of Nuclear Infrastructure in the Republic of Zambia Center for Nuclear Science and Technology (Zambia)

Consulting services with the involvement of experts for the El Dabaa NPP El Dabaa NPP (Egypt)

TNPP personnel training Center for Nuclear Science and Technology (CNT) of Zambia (Zambia)

Training on export control for FANR FANR (UAE)

Upgrade of RCP technical diagnostics systems Temelin NPP (Czech)

Spare parts supply for Unit No. 2 repair NPP Kudankulam (India)

Lifetime extension of Power Unit No. 2 Kozloduy NPP (Armenia)

Upgrade of neutron flux monitoring equipment (NFME) for Power Units No. 5 and 6 Kozloduy NPP (Bulgaria)

Upgrade of Kozloduy NPP Unit No. 6 generator equipment Kozloduy NPP (Bulgaria)

Project on SPTA supply for RCP-317 Kozloduy NPP (Czech)

MCR operators’ training for Tianwan NPP Units No. 3, 4 Tianwan NPP (China)

Consultancy services for technical support of Paks NPP RCP-317 Tianwan NPP (China)

Provision of engineering and consultancy services at TNPP Tianwan NPP (China)

Supply of 24 guide vanes for main circulation pumps RCP-317 Tianwan NPP (Hungary)

Russia-IAEA Nuclear Energy Management School for Young Professionals Tianwan NPP (China)

Justification of possibility to extend Kozloduy NPP Unit 5 lifetime Kozloduy NPP (Bulgaria)

Project on provision of technical support during pre-commissioning works at Units No. 3 and 4 Kozloduy NPP (Slovakia)