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Information Bulletin No. 37
(August 2002)

Acceptance tests of Westron equipment
at Kozloduy NPP (Bulgaria) have been completed

August 27, 2002

Acceptance tests of equipment and software for the digital data links between the Ovation equipment and the existing at Kozloduy NPP Power Units 5&6 Core Monitoring Systems/Radiation Safety Systems, also that between the Ovation equipment and the Special Building Radiation Safety System have been completed. The equipment and software were developed, manufactured and delivered by Westron within the framework of Kozloduy NPP ICS Modernization Project that is being realized by Westinghouse.

Commencement of commercial exploitation of
South-Ukraine NPP Power Unit No.2
Steam Generator Level Control System

August 20, 2002

The Acceptance Committee that worked at South-Ukraine NPP has adopted its decision to commission South-Ukraine NPP Power Unit No.2 Steam Generator Level Control System (FWCS). The System was developed and delivered to SU NPP within the framework of TACIS Project. Principal executors of the works performed under the Project were Westinghouse Energy Europe (Belgium), Westron (Ukraine) and LvovORGRES (Ukraine).

Since 2001, in the time period of its pilot running, the FWCS has proved its excellent operational characteristics and reliability.

At the moment an analogous system is being implemented in SU NPP Power Unit No.1. It is planned to commission the system in September 2002.

Westron has concluded contract with Rovno NPP

August 16, 2002

Westron and Rovno NPP (RvNPP) have concluded contract on delivery of Radiation Parameters Display System (RPDS) to RvNPP. Within the framework of the contract Westron will manufacture and deliver to RvNPP the RPDS equipment, software, also will implement the system in RvNPP.

The RPDS is purposed to replace the out-of-date hardware of the existing RPDS (both at the Power Unit level and all-NPP level). The RPDS will be built by Westron on the bases of the proved technical solutions for data link interfaces with Radiation Monitoring Systems, also on the bases of the experience that had been gained in the technical solutions' implementation in the NPPs existing in Ukraine and Bulgaria.

Within the framework of the concept developed by Westron, the RPDS implementation is considered to be the first step in stage-by-stage modernization of obsolete Radiation Monitoring Systems existing in the NPPs equipped with VVER-1000/VVER-400 reactors.

SPDS Equipment is Shipped to Leningrad NPP

August 8, 2002

Westron has shipped Safety Parameter Display System (SPDS) equipment components manufactured in Westron on project on implementation of SPDS systems on Leningrad NPP Units 3 and 4 (Russia).

Simultaneously LNPP has been furnished with Westinghouse SPDS components from USA and Czech.

SPDS equipment assembly from the supplied components and its test will be provided by Westron on site.

Westron has appraised reliability of the Swedish
Ringhals NPP Power Unit No.2 Turbine Monitoring & Control System

August 1, 2002

Westron has performed the works on design analysis of reliability of the newly introduced Turbine Vibration Protection and Supervision System and Turbine Automatic System. The activities were performed within the frames of the Swedish Ringhals NPP Power Unit No.2 Modernization Project (prime contractor - Westinghouse Electric Company). The Failure Mode and Effect Analysis method was applied when performing the job. At this, the failures' influence upon the systems' performance was taken into account, also quantitative estimation of the systems' reliability was done by means of reliability block diagram method.
The results of structural analysis and calculations have proved that the taken by Westinghouse technical decisions on realization of newly introduced Turbine Monitoring & Control Systems totally provide for meeting of the normative and contract requirements.

Westron LLC
1 Akademika Proskury Str.,
Kharkiv 61070, Ukraine
Phone: +380-57-717-0601
Phone/Fax: +380-57-717-7956
E-mail: office@westron.kharkov.ua