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標題Title: Voltage Sags Improvement for the High-Tech Industrial Customers by Using Cogeneration System
作者Authors: 許振廷
上傳單位Department: 電機工程系
上傳時間Date: 2009-11-22
上傳者Author: 許振廷
審核單位Department: 電機工程系
審核老師Teacher: 許振廷
檔案類型Categories: 論文Thesis
關鍵詞Keyword: Cogeneration System
摘要Abstract: This paper presents the improvement of the voltage sags for the semiconductor fabrication facility by the
installation of cogeneration systems. The critical quipment isevaluated against the SEMI F47 and ITIC power quality documents. The cogeneration system is installed to mitigate the voltage sags due to external system faults. Also, the under voltage relays to disconnect the cogeneration system from the
utility are designed by considering the critical clearing times at the point of common coupling and voltage sags ride-through curves. The dynamic responses of different fault conditions are executed by using the transient stability analysis to calculate
and define the voltage sags ride-through curves with and without considering the disconnection of the cogeneration system. It is concluded that the voltage sags ride-through capability can be improved greatly if the cogeneration systems are performed to trip accurately according to the under voltage relays design proposed by the paper.

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2009_11_b76f028a.pdf 248Kb pdf 305 98
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