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Impact of Lightning Strikes on Nuclear Power Generating Stations
Technical Paper
1999-01-2578
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Language:
English
Abstract
Electrical transients initiated by direct or indirect lightning strikes have caused reactor trips or misoperation of the equipment in nuclear power generating stations. The effects of lightning strikes on reactor trips or misoperation of the equipment were reviewed for the period 1984 through 1998. Based upon the review, it was found that in a number of cases, the overvoltage protection devices for the control rod drive system had operated due to the lightning strikes. There were also cases where lightning strikes had partially damaged the main/startup transformers, tripped the switchyard breakers or tripped the transmission lines and, thereby, impacted the availability of the required stable offsite power sources to the nuclear power generating stations. Since solid state circuitry designs including the digital instrumentation and control designs are being increasingly utilized in the reactor protection system and other systems, the chances of misoperation of low voltage equipment due to lightning strikes have increased. The low voltage circuitry may be more vulnerable now because of the integrated protection and microprocessor-based systems being used in the Simplified Passive Advanced Light Water Reactors which will be built into the next millennium.*
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Authors
Topic
Citation
Trehan, N., "Impact of Lightning Strikes on Nuclear Power Generating Stations," SAE Technical Paper 1999-01-2578, 1999, https://doi.org/10.4271/1999-01-2578.Also In
References
- Westinghouse Electric Corporation “Transmission and Distribution Reference Book”
- “Master Labeled Lightning Protection System”
- “Recommended Practice for Grounding of industrial and Commercial Power Systems”
- “Guide for Generating Station Grounding”
- “Design Guide for Electric Power Service for Generating Stations”
- “Guide for Instrumentation and Control Equipment Grounding in Generating Stations”
- “Recommended Practices for Powering and Grounding Sensitive Equipment
- “National Fire Protection Association's Lightning Protection Code”
- Nuclear energy Property Insurance Association's “Basic Fire Protection for Nuclear Power Plants”
- “Guide for the Application of Valve-Type Surge Arrestors of Alternating Current Systems”
- Lightning Strike Protection Carpenter, Roy B. Jr Drabkin Mark N. Lightning Eliminators & Consultants, Inc.
- U.S. Nuclear Regulatory Commission “Station Blackout”
- U.S. Code of Federal Regulation General Design Criteria 2, 3, 17, 21, and 23 of Appendix ‘A’ to 10 CFR Part 50
- “IPE of External Events (IPEEE) for Severe Accident Vulnerabilities.”