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![Page 1: Canada Nuclear Program Instrumentation and Control · PDF fileCanada Nuclear Program Instrumentation and Control 2013 Sunil Tikku Candu Energy, Mississauga, Ontario 24th Meeting of](https://reader034.vdocuments.net/reader034/viewer/2022052515/5a78c4ab7f8b9a5a148b684d/html5/thumbnails/1.jpg)
Canada Nuclear ProgramInstrumentation and Control2013
Sunil TikkuCandu Energy, Mississauga, Ontario
24th Meeting of TWG-NPPIC, IAEA, 22nd May 2013
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Presentation Outline
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•Nuclear in Canada
•I&C – Key Priorities
•Recommendations for IAEA
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Nuclear in Canada
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Source: Canadian Nuclear Factbook 2013
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CANDU Reactors In Operation
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4
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Nuclear Power in Canada
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• Bruce – 6272 Mwe (8 units)
• Darlington – 3512 Mwe (4 units)
• Pickering – 3094 Mwe (6 units)
• Point Lepreau – 635 MWe (1 unit)
Source: Canadian Nuclear Factbook 2013
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Nuclear Power in Canada – Key Players
•National Regulator – Canadian Nuclear Safety Commission (CNSC)
•Power Utilities - Ontario Power Generation, Bruce Power, New Brunswick Power
•Organization of Candu Industries - Association of 170 Leading Nuclear Suppliers
•Candu Energy:• New Build Projects
• Life Extensions
• Services
•AECL Nuclear Laboratories:• Research and development
• Isotopes
• Waste management / Decommissioning
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New Build - Enhanced CANDU 6 (EC6)
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• 60 km from Toronto downtown
• Darlington A – Current Output 3512 Mwe
• Favorable Environment Assessment Decision in
2012
• CNSC have issued a 10 year license to prepare
site for new construction to OPG
• Ontario’s energy plans calls for new 2000 Mwe
production
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New Build I&C Design Enhancements
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•Compliance with new and more stringent licensing requirements
•Standards based development framework
•Programmatic considerations such as Human Factors, Cyber-Security integrated into design process
• Improvements to enhance plant safety margins
•Changes to address Fukushima review
•Changes to address obsolescence
• Improvements to address customer feedback
• Improvements for higher plant performance, reduced capital costs and more economic life-cycle operation
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EC6 Overall I&C Architecture
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• Safety Systems– Two fully capable, independent, diverse trip systems– Separate from Control Systems– Cooling and Containment independent from trip
• Safety Monitoring System– SPDS functions
• Distributed Control System– Essential Control Subsystem– Plant Control Subsystem
• Plant Display System
• MCR and SCR panels– Safety panels– Control panels
Multiple PDS
Workstations
&
Soft Panel Devices
Single PDS
Workstation
HW Panel Devices
&
SMS Displays
(G2 & Limited G1)
Main Control RoomSecondary Control Room
Safety Equipment (Sensors/Actuators) Process Equipment (Sensors/Actuators)
HW Panel Devices
&
SMS Displays
(G1 & G2)
PDS
Gateways
LEGEND
PDS LAN
Signal Wiring Class 1
SMS LAN
Electrical Isolation Devices
PCSSECSSSafety Systems
SMS Gateways
Multiple
PartitionsG1
G2
G1
G1
G2
G2
Class 2
Class 3
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Safety System Computers
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Present C6 Design • Process trips for SDS1 and SDS2 implemented in diverse computer
systems• Emergency Core Cooling, Containment and SDS Neutronic trips are
hardwired
EC6 Design • Neutronics computerized
o FPGA being considered (for one trip system) for improved diversity and speed
• Computerized Emergency Core Cooling • Computerized Safety System Testing
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Plant Control System
EC6 Design – Functionally Partitioned DCS – Separate control of heat sources from that of heat sinks – Assign heat sinks to different partitions – Digital Device Control to replace most analog Device controls – Minimum Inventory of Hardwired essential controls
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Present C6 Design– Dual redundant Digital Control Computers– Complemented by hardwired low level device control
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Digital HSI Improvements
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•Safety Parameter Display SystemoCritical safety parameters and safety overview displays
• Intelligent Alarm Annunciation (Coalescing, Conditioning, Filtering and Prioritization)
•Computer Based ProceduresoSafety system TestingoOperating Procedures (GOPs, EOPs)oFuel handling Sequence Control
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•ACCIS is an in house SCADA system :
– High Safety Pedigree
– QNX based, POSIX Compliant
– Supervisory Control, Monitoring and Annunciation
– Data Acquisition Interfaces
– Historical Data Management
– Computer-Based Procedures
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Digital HSI
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Control Centre Mock Up
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•State of the art fully functional virtual control room –Graphic displays with soft
panel emulations–Equipped with plant
simulator
• Individual system usability testing / reviews demonstrate design correctness from an HF standpoint
•Lab for integration and proofs of concept for various technologies
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Enhancements for Severe Accidents
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• SBO and Extended SBO Coverage strengthened
• Dedicated diesel generator / batteries and power distribution system to handle severe accident recovery and heat removal
• Monitoring to deal with SA to be available in both MCR and SCA
• Instrumentation enhanced to cover the measurement ranges expected for SA
• Instrumentation assessed for layout and power source considerations for post SA effectiveness
• Instrumentation designed and assessed for survivability under SA conditions
• Enhanced reliability and fault tolerance of data to Emergency Support Centres
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Development of Engineering Simulator C6SIM
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• To provide accurate prediction of dynamic behaviour of the CANDU® 6 reactor
• To provide functional validation and optimization for control algorithms
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C6SIM User Interface
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I&C Developments at AECL Nuclear Labs
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Cyber-security
• Unidirectional Gateway for interface to QNX based display system
• Remote data authentication (Biometrics)
o Uniquely identifies field instrumentation ‘signature’
Instrumentation and Control
• High speed, high accuracy, data acquisition system development (MODAR, Gamma Scanner(s))
Plant Display System
• IEC 61513 / 61508 compliant safety display system
• ACCIS – Tricon Interface (SVDU development)
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I&C Developments at AECL Nuclear Labs
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• Handheld data acquisition and procedural compliance
• Radio-frequency identification (RFID) applications for field instruments (NRU Personal Digital Assistant)
• Plant chemistry monitoring, analysis, scheduling, field data entry and management (ChemAND LIMS)
• Life of plant data historian (LOPH – Qinshan, NRU)
• Biological modeling of radioactive uptake (GenMod)
• Fuel performance monitoring and analysis (FPMAT/IFS)
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Wireless Sensors inside RB
I&C Developments at AECL Nuclear Labs
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Nuclear Security
UNRESTRICTED – ILLIMITÉ
Counter Terrorism – Canadian Cargo Inspection System
Combat illicit trafficking of Special Nuclear Material (SNM) at Canada’s Point of Entry
Work supported by the Center for Security Science – CRTI and Public Safety Canada
Canadian muon tomography system demonstration Summer 2012
US Patent submitted
Significant investment by all partners – 6.8 Million CAD
Partners: Canadian Border Agency, DRDC, Health Canada, Carleton University, ISR Inc. and Advanced
Applied Physics Solutions.
I&C Developments at AECL Nuclear Labs
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Recommendations
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• Harmonization of international standards for • Qualification of important to safety I&C equipment • Cyber security for real time systems• Emergency Response and Emergency Operations Support
• Instrumentation for Design Extension Conditions• High Temperature Operation• Hydrogen Monitoring• Survivability Assessments
• Basis for coverage of supplementary control area vis-à-vis main control area
• Reliability testing (Statistical) for safety systems
• Low level Design Guidance for Digital Communication• Unidirectional Links• Bidirectional safety communication for normal control
• Knowledge Sharing and Retention
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Thank You
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