IEC 61225 : 2.0

Table of Contents

FOREWORD<br>0 Introduction <br>1 Scope<br>2 Normative references <br>3 Terms and definitions<br>4 System requirements<br>&nbsp;&nbsp;&nbsp;4.1 Function and description<br>&nbsp;&nbsp;&nbsp;4.2 System divisions <br>&nbsp;&nbsp;&nbsp;4.3 System boundaries<br>5 Requirements for redundancy, physical separation,<br>&nbsp;&nbsp;&nbsp;and independence <br>&nbsp;&nbsp;&nbsp;5.1 General <br>&nbsp;&nbsp;&nbsp;5.2 Redundancy <br>&nbsp;&nbsp;&nbsp;5.3 Physical separation <br>&nbsp;&nbsp;&nbsp;5.4 Independence <br>&nbsp;&nbsp;&nbsp;5.5 Reliability <br>6 Functional requirements for I&C power supplies <br>&nbsp;&nbsp;&nbsp;6.1 Power supplies for I&C systems important to safety <br>&nbsp;&nbsp;&nbsp;6.2 Batteries and chargers <br>&nbsp;&nbsp;&nbsp;6.3 Inverters and converters <br>7 Requirements for distribution system design<br>&nbsp;&nbsp;&nbsp;7.1 System aspects <br>&nbsp;&nbsp;&nbsp;7.2 Load allocation <br>&nbsp;&nbsp;&nbsp;7.3 Electrical aspects <br>8 Effects of loads on supply quality <br>&nbsp;&nbsp;&nbsp;8.1 Electromagnetic interference<br>&nbsp;&nbsp;&nbsp;8.2 Transients <br>&nbsp;&nbsp;&nbsp;8.3 Load current <br>&nbsp;&nbsp;&nbsp;8.4 Safety loads and non-safety loads<br>9 Characteristics of supplies given to individual loads <br>&nbsp;&nbsp;&nbsp;9.1 DC supplies<br>&nbsp;&nbsp;&nbsp;9.2 AC supplies<br>10 Monitoring and protection <br>&nbsp;&nbsp;&nbsp;10.1 Monitoring <br>&nbsp;&nbsp;&nbsp;10.2 Protection<br>11 Qualification of equipment <br>12 Testing <br>13 Maintenance<br>Annex A (informative) Examples of specifications

Abstract

Specifies the performance and the functional characteristics of the electrical supply systems required for the instrumentation and control (I&C) systems important for safety of a nuclear power plant.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 45