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prEN IEC 62397:2025 Viešoji apklausa

Komentavimo iki data 2025-12-17

Branduolinės elektrinės. Kontrolinių matavimų ir valdymo įranga, svarbi saugai. Varžiniai temperatūros jutikliai

IEC 62397:2022 describes the requirements for resistance temperature detectors (RTDs) suitable for applications in I&C systems important to safety of nuclear power plants. The requirements of RTDs include design, materials, manufacturing, testing, calibration, procurement, and inspection. RTDs used for safety applications in Nuclear Power Plants can be categorized into direct-immersed and thermowell-mounted RTDs. This standard describes the requirements for the design, material selection, procurement, construction, and testing of resistance temperature detectors (RTDs) used in nuclear power plants (NPPs). These RTDs may be used in both the nuclear safety I&C systems and/or in the non-safety-related instrumentation systems. This second edition cancels and replaces the first edition, published in 2007; it also cancels and replaces the first edition of IEC 61224:1993. This edition includes the following significant technical changes with respect to the previous edition.

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prEN IEC 62705:2025 Viešoji apklausa

Komentavimo iki data 2025-12-17

Branduolinės elektrinės. Kontrolinių matavimų ir valdymo įranga, svarbi saugai. Spinduliuotės stebėsenos sistemos: charkteristikos ir gyvavimo ciklas

IEC 62705:2022 gives requirements for the lifecycle management of radiation monitoring systems (RMS) and gives guidance on the application of existing IEC standards covering the design and qualification of systems and equipment. The purpose of this document is to lay down requirements for the lifecycle management of RMSs and give application guidance. This document is intended to be consistent with the latest versions of International Standards dealing with radiation monitors, sampling of radioactive materials, instruments calibration, hardware and software design, classification, and qualification. This document is applicable to RMSs installed in nuclear facilities intended for use during normal operation, anticipated operational occurrences (AOO), design basis accidents (DBA) and design extension conditions (DEC), including severe accidents (SA). This second edition cancels and replaces the first edition published in 2014. This edition includes the following significant technical changes with respect to the previous edition: - modification of the title. - to be consistent with the categorization of the accident condition. - to update the references to new standards published since the first edition. - to update the terms and definitions.

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prEN IEC/IEEE 62582-1:2025 Viešoji apklausa

Komentavimo iki data 2025-12-17

Branduolinės elektrinės. Kontrolinių matavimų ir valdymo įranga, svarbi saugai. Elektros įrangos būklės stebėjimo metodai. 1 dalis. Bendrieji dalykai

See the scope of IEC/IEEE 62582-1:2024. Adoption is to be implemented without modification.

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