ČSN EN IEC 62855

Detailinformationen

Bezeichnung: ČSN EN IEC 62855

Ausgabedatum: 01.03.2022

Seiten: 68

Land: Tschechische technische Norm

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Erhältlich auf www.technormen.de

Annotation

provides the electrotechnical engineering guidelines for analysis of AC and DC electrical power systems in nuclear power plants (NPPs) in order to demonstrate that the power sources and the distribution systems have the capability for safe operation and shut down of the NPP, bringing it to a controlled state after an anticipated operational occurrence or accident conditions and finally reaching a safe state.
The analytical studies discussed in this document provide assurance that the design bases are satisfied to meet their functional requirements under the conditions produced by the applicable design basis events. The studies provide assurance that the electrical power system is capable of supporting safety functions during all required plant conditions.
NOTE - The safety functions are described in IAEA Specific Safety Requirements SSR-2/1 related to the design of the nuclear power plants..
Analytical studies validate the robustness and adequacy of design margins and demonstrate the capability of electrical power systems to support plant operation for normal, abnormal, degraded and accident conditions