IEEE P741:2022 Edition
$44.96
IEEE Draft Standard for Criteria for the Protection of Class 1E Power Systems and Equipment in Nuclear Power Generating Stations
| Published By | Publication Date | Number of Pages |
| IEEE | 2022 | 67 |
Revision Standard – Active – Draft. Criteria that establish protection requirements for Class 1E power systems and equipment are prescribed in this standard. The purpose of and the means for obtaining protection from electrical and mechanical damage, or failures that can occur within a time period that is shorter than that required for operator action, are described. Testing and surveillance requirements are included. Plant physical design requirements to protect against events such as pipe whip, fire, dropped load, etc., are not included.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std 741ā¢-2022 Front cover |
| 2 | Title page |
| 4 | Important Notices and Disclaimers Concerning IEEE Standards Documents |
| 8 | Participants |
| 10 | Introduction |
| 11 | Contents |
| 12 | 1.āOverview 1.1āScope 1.2āWord usage 2.āNormative references |
| 14 | 3.āDefinitions, acronyms, and abbreviations 3.1āDefinitions |
| 15 | 3.2āAcronyms and abbreviations |
| 16 | 4.āGeneral design criteria 4.1āCriteria |
| 17 | 5.āPrincipal design criteria and requirements 5.1āAC power distribution systems |
| 19 | 5.2āDC power system 5.3āInstrumentation and control power system 5.4āPrimary containment electrical penetration assemblies |
| 20 | 5.5āValve actuator motors (direct gear driven) |
| 21 | 6.āTesting and surveillance 6.1āDevice testing 6.2āPreoperational tests 6.3āSurveillance |
| 23 | AnnexĀ A (normative) Illustration of concepts associated with degraded voltage protection A.1āPurpose A.2āDiscussion |
| 26 | A.3āDegraded voltage relay settings |
| 27 | A.4āDegraded voltage relay analysis |
| 32 | A.5āLoss of voltage relay settings A.6āHigh-voltage conditions A.7āOff-site system voltage considerations |
| 33 | A.8āTolerances A.9āSummary |
| 34 | AnnexĀ B (informative) Guidelines for selection of overload protection for valve actuator motor (VAM) circuits B.1āPurpose B.2āDiscussion B.3āOverload protection devices |
| 37 | B.4āTypical procedures for selection of TORs |
| 55 | AnnexĀ C (informative) Auxiliary system automatic bus transferāprotection concerns C.1āPurpose C.2āDiscussion |
| 57 | C.3āBus transfer analysis |
| 59 | C.4āBus transfer protection issues |
| 60 | C.5āImplementation of a bus transfer scheme using dynamic modeling |
| 62 | AnnexĀ D (informative) Use of high-speed magnetic circuit breakers for special applications D.1āPurpose D.2āDiscussion |
| 65 | AnnexĀ E (informative) Bibliography |
| 67 | Back cover |
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