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IAEA (1999) International Nuclear Safety Advisory Group, Basic Safety Principles for Nuclear Power Plants. INSAG Series No. 75-INSAG-3 (Rev. 1), INSAG-12, IAEA, Vienna.

has been cited by the following article:

• TITLE: Discussion on Practical Elimination of Early or Large Releases for WWER-1000/V320

  AUTHORS: Pavlin Groudev, Emil Kichev, Petya Petrova

  KEYWORDS: Practical Elimination, Early Radioactive Release, Large Radioactive Release, WWER-1000/V320, Kozloduy NPP

  JOURNAL NAME: Journal of Power and Energy Engineering, Vol.6 No.5, May 30, 2018

  ABSTRACT: The paper presents a brief summary of the introduction of the term “practical elimination” as prevention of the conditions that could lead to early or large radioactive releases. The concept of “practical elimination” is defined as part of the Defence in Depth (DiD) of Nuclear Power Plant (NPP) in the International Atomic Energy Agency (IAEA) document INSAG-12 in 1999. But, the special attention to it was paid after the accident in Fukushima NPP in 2011. The mechanisms of the containment failure of reactor WWER-1000/V320 are presented. As an example, the summarized design features and preventing and mitigation measures already implemented at Kozloduy NPP to extend the design basis and beyond design basis envelop are presented. Issues related to external steam explosion are underlined for further study.