IEC 61225:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Nuclear power plants - Instrumentation and control systems important to safety - Requirements for electrical supplies
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
13-12-2005
31-12-2021
FOREWORD
0 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 System requirements
4.1 Function and description
4.2 System divisions
4.3 System boundaries
5 Requirements for redundancy, physical separation,
and independence
5.1 General
5.2 Redundancy
5.3 Physical separation
5.4 Independence
5.5 Reliability
6 Functional requirements for I&C power supplies
6.1 Power supplies for I&C systems important to safety
6.2 Batteries and chargers
6.3 Inverters and converters
7 Requirements for distribution system design
7.1 System aspects
7.2 Load allocation
7.3 Electrical aspects
8 Effects of loads on supply quality
8.1 Electromagnetic interference
8.2 Transients
8.3 Load current
8.4 Safety loads and non-safety loads
9 Characteristics of supplies given to individual loads
9.1 DC supplies
9.2 AC supplies
10 Monitoring and protection
10.1 Monitoring
10.2 Protection
11 Qualification of equipment
12 Testing
13 Maintenance
Annex A (informative) Examples of specifications
Specifies the performance and the functional characteristics of the electrical supply systems required for the instrumentation and control (I&C) systems important to safety of a nuclear power plant. Gives also guidance on the possible use of these supplies for other I&C systems. Defines the methods of application of the relevant IAEA Safety Guide NS-G-1.3.
| Committee |
TC 45/SC 45A
|
| DevelopmentNote |
To be applied in conjunction with IEC 61513, IEC 61226, IEC 60709, IEC 60880 and IEC 62138. (12/2005) Stability Date: 2017. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
63
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| BS IEC 61225:2005 | Identical |
| GOST R IEC 61225 : 2011 | Identical |
| NEN IEC 61225 : 2006 | Identical |
| NEN-EN-IEC 61225:2020 | Identical |
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