NB/T 20075-2012Protection Provided by Electrical Equipment Against External Impact for Nuclear Power Plants (English PDF)

NB/T 20075-2012 is the English-translated version of 核电厂电气设备防外部撞击的防护.

NB/T 20075-2012 is a recommended Chinese energy industry standard on the protection that electrical equipment in nuclear power plants provides against external impact.

It covers the objects to be protected, the assessment of the external impacts in question, the definition of the protection levels, the requirements attached to them, the protective measures and the tests, all for equipment working in a severe external environment.

It applies to electrical equipment in a nuclear power plant whose enclosure carries particular protection requirements and for which the risk of external impact is assessed.

The standards it cites are GB/T 2421.1-2008, GB/T 2423.55 and GB/T 20138-2006. Issued on 6 January 2012, it has applied since 6 April 2012.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

GB/T 20138-2023|NB/T 25003-2011|NB/T 20140-2012|NB/T 20147-2012|NB/T 20071-2012|GB 6249-2025

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