International Standards and Conformity Assessment for all electrical, electronic and related technologies

SC 45A

Instrumentation, control and electrical systems of nuclear facilities

 
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WG 7 Convenor & Members

Convenor
National

Committee
Mr Simon White
 GB
Member
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National

Committee
Mr Anatoly AlpeevRU
Mr Franz AltkindCH
Mr Steven ArndtUS
Mr Julien BachFR
Mr Jean-Yves BarbaudFR
Mr Pavel BorodkinRU
Mr Hervé BruneliereFR
Ms Cornelia BühlerDE
Mr Jean-Pierre BurelFR
Mr François CabaneFR
Mr Jean-Luc ChaneliereFR
Mr Changhwan choKR
Mr David CurtisGB
Mr John F. de GrosboisCA
Mr Pierre DiakonoffFR
Mr Sergey V. DobryanskiyRU
Mr Alexandre DuboisFR
Mr Vladimir N. DurnevRU
Mr Karl-Erik ErikssonSE
Mr Larry ErinUS
Mr Kevin FernandesCA
Mr David FournierCA
Mr Yasutake FujishimaJP
Mr Jean GassinoFR
Mr Mikhail Yu. GavrikovRU
Ms Elena GubinaRU
Mrs Eva GustavssonSE
Mr YOICHIRO HAMAYAJP
Mr Karim Hamidi-GeorgesFR
Mr Mattias Erik Oskar HanssonSE
Mr Hideo HARADAJP
Mr Christian HesslerDE
Mr Philippe HilsenkopfFR
Mr Hiroshi HosonoJP
Mr Gary L. JohnsonUS
Mr Bishara KakundaUS
Mr Ansup KimKR
Mr Youngpyo KimKR
Mr Peter KöferliCH
Mr Jung-Soo KohKR
Mr In-Soo KooKR
Mr Sergey A. KorolevRU
Mr Mikhail LankinRU
Mr Jang-Soo LeeKR
Mr Arndt LindnerDE
Mr Horst MiedlDE
Mr Ludovic MORELFR
Mr G. MoumCA
Mr Yasushi NAKAGAWAJP
Mr Sven Olof PalmSE
Mr Tony ParsonsGB
Mr Johannes PickelmannDE
Mr Rainer PielDE
Mr Pascal RegnierFR
Mr Stephen SeamanUS
Mr Volodymyr SklyarUA
Mr Sean M SmithUS
Mr Kwang-Young SohnKR
Mr Hirotsugu SUZUKIJP
Mr Dmitry SviridovRU
Mr Heimo TakalaFI
Mr Shinya TOMINAGAJP
Mrs Charlotte TROUILLOUDFR
Mr Vladimir TsarevRU
Mr Jan Karol TuszynskiSE
Mr Nick WallGB
Mr Richard WoodUS
Mr Mykhaylo YastrebenetskyUA
Mr Lawrence H. YuCA
Mr Zhao Chang (Charles) ZengCA

Title & Task

WG 7

Functional and safety fundamentals of instrumentation, control and electrical systems

 

To prepare standards on particular aspects of the fundamental principles for instrumentation, control and electrical systems important to safety for nuclear facilities (i.e. power plant, nuclear fuel cycle and waste facilities).


The standards produced by WG A7 will expand the IAEA standards and guidance including:

- SF-1 Fundamental Safety Principles
- SSR-2/1 Safety of NPP - Design
- NS-R-4 Safety of Research Reactors
- NS-R-5 (Rev. 1) Safety of Nuclear Fuel Cycle Facilities
- SSG-30 Safety Classification of SSC in NPP
- INSAG– 10 Defence in Depth in Nuclear Safety
and seek compliance with them.


The standard developed by the working group will also take cognisance of other IAEA guides relevant to I&C including:
- SSG-39 Design of I&C Systems for NPPs
- SSG-34 Design of Electric Power Systems for NPP
- SSG-37 Instrumentation and Control Systems and Software Important to Safety for Research Reactors
but will not address detailed design and related matters that are the scope of other SC45A working groups principally WG A3 (I&C) and WG A11 (Electrical).


The task thus includes:
• Categorisation of safety functions
• Generic principles of Classification of electrical and I&C systems important to safety and functional allocation requirements
• Defence in depth
• Denial of service by single failures
• Defence against Common Cause Failure (including systematic faults) and the implementation of techniques such as separation, diversity and isolation to achieve independence and protection from internal and external hazards and from random and systematic faults.
• Quantitative reliability evaluation, its assurance by surveillance and proof testing and limitation by consideration of common cause failures and systematic faults.
• Analysis techniques for the identification and treatment of potential random and systematic faults

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Liaisons

Organizations
Liaison Member
Liaison D
WNA