Improved reliability for analog instrument and control systems. Volume 1. Failure analysis and demonstration module. Final report
1986
Nuclear plant instrument and control module and power supply performance was analyzed to identify reliability and drift improvements that can reduce the incidence of plant trips and reportable drift. In-service module and power supply performance was evaluated and potential improvements were defined based on the use of present generation, high reliability electronic components. A demonstration analog module and power supply were designed, fabricated, and tested to demonstrate available improvements. The application of electronic reliability prediction analysis, modern electronic component performance, and established reliability military grade parts were shown to offer order of magnitude improvements in instrument and control module accuracy and failure rate. This report provides the final results for EPRI project RP2409-2.
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