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http://dx.doi.org/10.7316/KHNES.2020.31.1.73

A Study on FTA of Off-Site Packaged Hydrogen Station  

SEO, DOO HYOUN (Process Safety Partner (PSP))
KIM, TAE HUN (Hoseo University)
RHIE, KWANG WON (Hoseo University)
CHOI, YOUNG EUN (Hoseo University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.31, no.1, 2020 , pp. 73-81 More about this Journal
Abstract
For the fault tree analysis (FTA) analysis of the packaged hydrogen filling station, the composition of the charging station was analyzed and the fault tree (FT) diagram was prepared. FT diagrams were created by dividing the causes of events into external factors and internal factors with the hydrogen event as the top event. The external factors include the effects of major disasters caused by natural disasters and external factors as OR gates. Internal factors are divided into tube tailer, compressor & storage tank, and dispenser, which are composed of mistakes in operation process and causes of accidents caused by parts leakage. In this study, the purpose was to improve the hydrogen station. The subjects of this study were domestic packaged hydrogen stations and FTA study was conducted based on the previous studies, failure mode & effect analysis (FMEA) and hazard & operability study (HAZOP). Top event as a hydrogen leaking event and constructed the flow of events based on the previous study. Refer to "Off shore and onshore reliability data 6th edition", "European Industry Reliability Data Bank", technique for human error rate prediction (THERP) for reliability data. We hope that this study will help to improve the safety and activation of the hydrogen station.
Keywords
Hydrogen station; FTA; Packaged; Reliability data; THERP;
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