Standard IEC 60709-ed.3.0 18.4.2018 preview

IEC 60709-ed.3.0

Nuclear power plants - Instrumentation, control and electrical power systems important to safety - Separation

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STANDARD published on 18.4.2018


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448.20 USD

The information about the standard:

Designation standards: IEC 60709-ed.3.0
Publication date standards: 18.4.2018
SKU: NS-845688
The number of pages: 96
Approximate weight : 319 g (0.70 lbs)
Country: International technical standard
Category: Technical standards IEC

The category - similar standards:

Nuclear power plants. Safety

Annotation of standard text IEC 60709-ed.3.0 :

IEC 60709:2018 is applicable to nuclear power plant instrumentation and control (I&C) and electrical systems and equipment, whose functions are required to be independent due to their contribution to:

  • a redundant or diverse safety group;
  • different defence in depth levels;
  • different safety classes and also with non-classified (NC) systems.
This standard is also applicable to temporary installations which are part of those I&C and *electrical systems important to safety (for example, auxiliary equipment for commissioning tests and experiments or mobile power supply systems). This new edition includes the following significant technical changes with respect to the previous edition:
  • include requirements referring to the separation principle in electrical systems important to safety;
  • define separation criteria for I&C and electrical systems in a generic way;
  • align with the new revisions of IAEA documents and broaden the scope to include other aspects of separation.
LIEC 60709:2018 est applicable aux systemes d’instrumentation et de controle-commande (I&C) des centrales nucleaires de puissance ainsi qu’aux systemes et equipements electriques, dont il est exige que les fonctions soient independantes en raison de leur contribution a:
  • un groupe de surete redondant ou varie;
  • differents niveaux de defense en profondeur;
  • differentes classes de surete et avec les systemes non classes (NC).
Cette norme est aussi applicable aux installations temporaires qui font partie de ces systemes d’I&C et electriques importants pour la surete (par exemple, les equipements auxiliaires pour les essais de mise en service et l’experimentation ou pour les systemes mobiles d’alimentation electrique). Cette nouvelle edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente:
  • integration d’exigences relatives au principe de separation dans les systemes electriques importants pour la surete;
  • definition de criteres de separation pour les systemes d’I&C et electriques de maniere generale;
  • mise en coherence de la norme avec les nouvelles revisions des documents de l’AIEA et extension du domaine d’application pour inclure de nouveaux aspects de separation.

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