IEEE DRAFT 741 : D1 2006
Withdrawn
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CRITERIA FOR THE PROTECTION OF CLASS 1E POWER SYSTEMS AND EQUIPMENT IN NUCLEAR POWER GENERATING STATIONS
18-10-2023
12-01-2013
1 Scope
2 Normative references
3 Definitions
4 General design criteria
5 Principal design criteria and requirements
5.1 AC power distribution systems
5.2 DC power system
5.3 Instrumentation and control power system
5.4 Primary containment electrical penetration assemblies
5.5 Valve actuator motors (direct gear driven)
6 Testing and surveillance
6.1 Device testing
6.2 Preoperational tests
6.3 Surveillance
Annex A (informative) Illustration of concepts associated with
degraded voltage protection
A.1 Purpose
A.2 Discussion
A.3 Degraded voltage relay voltage settings
A.4 Degraded voltage relay time delay settings
A.5 Loss of voltage relay settings
A.6 High voltage conditions
A.7 Off-Site system voltage considerations
A.8 Tolerances
A.9 Bibliography
Annex B (informative) Guidelines for selection of overload
protection for valve actuator motor circuits
B.1 Purpose
B.2 Definitions
B.3 Discussion
B.4 Overload protection devices
B.5 Typical procedures for selection of TORs
B.6 Bibliography
Annex C (informative) Auxiliary system automatic bus transfer -
protection concerns
C.1 Purpose
C.2 Discussion
C.3 Bus transfer analysis
C.4 Bus transfer protection issues
C.5 Implementation of a bus transfer scheme using dynamic
modeling
C.6 Bibliography
Annex D (informative) Use of high-speed magnetic circuit
breakers for special applications
D.1 Purpose
D.2 Discussion
Annex E (informative) Bibliography
Presents criteria that establish protection requirements for Class 1E power systems and equipment. It specifies 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. It includes testing and surveillance requirements.
| DocumentType |
Draft
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| PublisherName |
Institute of Electrical & Electronics Engineers
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| Status |
Withdrawn
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| SupersededBy |
| IEEE C37.91-2008 REDLINE | IEEE Guide for Protecting Power Transformers |
| IEEE C62.41-1991 | IEEE Recommended Practice for Surge Voltages in Low-Voltage AC Power Circuits |
| IEEE 487-2015 | IEEE Standard for the Electrical Protection of Communications Facilities Serving Electric Supply Locations -- General Considerations |
| ISA 67.04.01 : 2006 | SETPOINTS FOR NUCLEAR SAFETY-RELATED INSTRUMENTATION |
| IEEE 242-2001 | IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (IEEE Buff Book) |
| IEEE 142 : 2007 | GROUNDING OF INDUSTRIAL AND COMMERCIAL POWER SYSTEMS |
| IEEE 384-2008 REDLINE | IEEE Standard Criteria for Independence of Class 1E Equipment and Circuits |
| IEEE C62.92.3-2012 | IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems, Part III -Generator Auxiliary Systems |
| NEMA ICS 2:2008 | Controllers, Contactors and Overload Relays Rated 600 V |
| IEEE 765-2012 | IEEE Standard for Preferred Power Supply (PPS) for Nuclear Power Generating Stations (NPGS) |
| IEEE 141 : 1993 | IEEE Recommended Practice for Electric Power Distribution for Industrial Plants |
| IEEE C37.96-2012 | IEEE Guide for AC Motor Protection |
| IEEE 338-2012 | IEEE Standard for Criteria for the Periodic Surveillance Testing of Nuclear Power Generating Station Safety |
| IEEE 308-2012 REDLINE | IEEE Standard Criteria for Class 1E Power Systems for Nuclear Power Generating Stations |
| IEEE 317-2013 REDLINE | IEEE Standard for Electric Penetration Assemblies in Containment Structures for Nuclear Power Generating Stations |
| IEEE 603-2009 REDLINE | IEEE Standard Criteria for Safety Systems for Nuclear Power Generating Stations |
| IEEE 1290-2015 | IEEE Guide for Motor-Operated Valve (MOV) Motor Application, Protection, Control, and Testing in Nuclear Power-Generating Stations |
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