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Safety system augmentation at Russian Nuclear Power Plants

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4 Author(s)
Scerbo, J.A. ; Burns & Roe, Oradell, NJ, USA ; Satpute, S.N. ; Donkin, J.Y. ; Reister, R.A.

This paper describes the design and procurement of a Class 1E DC power supply system to upgrade plant safety at the Kola Nuclear Power Plant (NPP). Kola NPP is located above the Arctic circle at Polyanie Zprie, Murmansk, Russia. Kola NPP consists of four units. Units 1 and 2 have VVER-440/230 type reactors: Units 3 and 4 have VVER-440/213 type reactors. The VVER 440 reactor design is similar to the pressurized water reactor design used in the US. This project provided redundant Class 1E DC station batteries and DC switchboards for Kola NPP, Units 1 and 2. The new DC power supply system was designed and procured in compliance with current nuclear design practices and requirements. Technical issues that needed to be addressed included reconciling the requirements in both US and Russian codes and satisfying the requirements of the Russian nuclear regulatory authority. Close interface with ATOMENERGOPROEKT (AEP), the Russian design organization, KOLA NPP plant personnel, and GOSATOMNASZOR (GAN), the Russian Version of US Nuclear Regulatory Commission was necessary to develop a design that would assure compliance with current Russian design requirements. Hence, this project was expected to serve as an example for plant upgrades at other similar VVER-440 nuclear plants. In addition to technical issues, the project needed to address language barriers and the logistics of shipping equipment to a remote section of the Former Soviet Union

Published in:

Nuclear Science, IEEE Transactions on  (Volume:44 ,  Issue: 3 )