25 th Meeting of the IAEA Technical Working Group on Nuclear Power Plant Instrumentation and Control (TWG -NPPIC) Nuclear Power Plant Instrumentation and Control in MEXICO Dr. Francisco Javier Ramírez-Jiménez May 27-29, 2015, IAEA, Vienna
25 th Meeting of the IAEA Technical Working Group on Nuclear Power Plant Instrumentation and Control (TWG -NPPIC) Introduction OUTLINE Main Projects Developments Recommendations May 27-29, 2015, IAEA, Vienna
INTRODUCTION Laguna Verde Nuclear Power Plant
TWO General Electric (GE) Boiling Water Reactors (BWR) UNIT 1 started in 1990 25 years old UNIT 2 started in 1995 20 years old MEAN POWER : 1.6 GW ( 2.6 % ) Total energy generated : 11 800 GW hr (4.5 %) Mean efficiency in the last 12 years: 83.6 %
20 th Anniversary of U2
Location of the Nuclear Power plant
Laguna Verde Nuclear Power Plant
Two important activities of the Nuclear Power Plant: POWER UPRATING OF THE LVNPP From 1.4 GW to 1.6 GW LIFE EXTENSION OF THE LVNPP Assurance of the long term operation From 30 years to 60 years
The operator of the plant is the Federal Commission of Electricity, CFE, of MEXICO GOVERNMENTAL The National Institute for Nuclear Research, ININ, is an advisor that provides scientific and technical support to the plant.
Life Extension to 60 years MAIN PROJECTS Proactive Ageing Management for Long Term Operation of Laguna Verde Nuclear Power Plant, LVNPP. (IAEA TC) Dry Storage of used nuclear fuel Chemical cleaning OBJECTIVES: Focus: To increase the reliability To reduce the collective dose * Spare parts
Project IAEA-MEX 2017 Instrumentation & Control Proactive Ageing Management for Long Term Operation of Laguna Verde Nuclear Power Plant, LVNPP Design, selection, installation, calibration, maintenance, repair, and optimization of nuclear instrumentation Deal with the obsolescence of electronic instrumentation, and control systems. Deal with the upgrading or reinforcement of nuclear instrumentation.
I&C ISSUES THAT AFFECT THE LONG TERM OPPERATION - OBSOLESCENCE OF SOFTWARE AND HARDWARE Operating systems for computerized instruments Memories Microcontrollers Integrated circuits Complex systems -AGEING OF INSTRUMENTATION AND CONTROL COMPONENTS Cabling Capacitors Relays Transformers
Ageing Management of Specific Instrumentation and Control Systems of the LVNPP - several systems of the plant have been identified as possible fields of action for upgrading or reinforcement. - we focus in common problems encountered in I&C systems i.e. in the Starting Range Neutron Monitoring System, SRNMS
- Measurement of the neutron fluxes -Review of the instrumentation used in the Starting Range Neutron Monitoring System, SRNMS -Recomendations for the verification and inspection of the SRNMS in LVNPP -Grounding,shielding and protection of electronic equipments to reduce the electromagnetic interference and transients in nuclear instrumentation
DEVELOPMENTS Optimization of the Off Gas Radiation Monitoring System Instituto Nacional de Investigaciones Nucleares, March 2015 México
Improvements in the Radiation Monitoring System Ventilation of the Turbo Generator Building
Radiological Monitoring Network around the Nuclear Power Plant
Gamma radiation detector NUMAC Simulator for training Personal Computer based Simulator
Measurement of process variables Oxygen Hydrogen Conductivity
Upgrading and Refurbishment of electronic modules Booster Unit for the Turbo Pumps Electro-Hydraulic System, Turbo Pumps
Diagnostic of damaged circuits Transponder, Reactor Manual Control
SPECIAL RADIATION MEASUREMENTS Gamma-spectrometry in the vent sampling, TGB
Pool deep Exposure rate profile along the control rods, Unit 2
RECOMMENDATIONS Consider a training course on Wireless Technologies applications on NPPs in 2016. Add a worshop on aging management of I&C components in 2016. Look for more benefits for MS in: - Application of codes and standardscc., 2016 -Application of diversity, independence and physical separation in different levels of I&C systems, 2017 Add a training course on the process performance optimization, including new radiation detectors technologies, and stressing the importance of full understanding of the processes, 2017. Add a training course on maintenance of digital I&Csystems in 2016. Add a training course on dedication of I&C systems and components in 2016. Consider a consultant meeting that includes also sellers of new I&C components for NPPs in 2016. Discuss the importance of right selection of participants in the propossed events (WS, TC mainly)
To promote the disemination of information about: - Operational experiences and solutions on common problems encountered in I&C systems of NPPs - Recommendations and Guidelines for best practices