| Summary: | 碩士 === 國立臺灣科技大學 === 電機工程系 === 98 === This thesis is focused on the arcing fault protection and hazard analysis for panelboards by the own develops arcing fault analysis program. Two main topics are extensively studied in this thesis. Based on IEEE 1584 and NFPA 70E standard, a spread sheet is establish to estimate the arcing fault current, incident energy and flash-protection boundary for the panelboards. The results are used for predicting the hazard class and evaluating the personal protective equipment (PPE) required by NFPA 70E to ensure personal safety in the working area. The other issue is equipment protection. With the estimated arcing fault data from the arcing fault analysis program, the various protection schemes are commonly discussed for the panelboards. Furthermore, the characteristics of various protection methods are also reviewed. If arcing fault protection rely on the overcurrent device, the coordination requirements result in longer tripping time. It’s not appropriate for arcing fault protections. Once the arc protection systems are introduced, the fault cleaning time will be limited within 57-87ms. Moreover, if arc eliminator systems are implemented, the fault cleaning time can be further controlled in 2ms and the arcing fault hazards hereupon minimized.
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