BS PD IEC/TR 63123:2017

BS PD IEC/TR 63123:2017 gives guidance for the application in the IAEA/IEC framework of the IEC63147:2017/IEEE 497 corresponding to the adoption without modification of IEEE 497:2016.During their review of IEEE 497:2016, the experts of the review team noted that between the2010 edition of the IEEE 497 and its 2016 edition:

• some IEC standards were added as normative references;
• an additional group of Type F variables was defined to cover parameters providinginformation to manage fuel damage scenarios and associated technical requirements weregiven;
• several paragraphs were removed from 6.2 of the 2010 edition, which gave requirementson diversity of design and defence in depth;
• the term "1E" was replaced by "safety system".

Cross References:IEC/TR 63123:2017IEC 62340:2007IEC 60980:1989IEC 60880:2006IEC/IEEE 60780-323:2016IEC 61225:2005IEC 61513IAEA Safety Glossary, edition 2016IEC 62671IEC 62138IEC 62566-2 IEC 61226IEC 62566IAEA document NP-T-3.16