臺灣博碩士論文加值系統

在高科技產業蓬勃發展的時代，人們追求更高水準的生活品質，因此電源的供給便成了生活中最重要的一環。電源的不良將會損害系統設備，影響著科技產業和人們的日常生活，因此本論文提出之多功能NPC中性點箝位轉換器，能有效的改善電源端最容易出問題的電壓與電流。在NPC轉換器裡的靜態同步補償器就專門針對電壓的過高或過低加以改善。而在電流方面使用NPC主動式電力濾波器去改善諧波及虛功，達成平衡三相電流。論文中的主架構中性點箝位轉換器因其電路特性，可選擇耐壓較小的元件，使其能節省成本。文中將以模擬與實驗兩方面去證明此多功能NPC轉換器能有效的改善電壓及電流，達成優良的電力品質生活。

Out of the prosperity of the high-technology industry and the determination of human beings to pursue the higher quality of lives, the supply of the power source has become the most essential link in people’s daily lives. An electric defect will result in not only the damage of system equipments but also the great impact on both the high-technology industry and people’s daily lives. Therefore, the multifunctional NPC (Neutral-Point-Clamped) Converter, which is about to be presented in this paper, can effectively improve the stability of the voltage and the current, both of them easily cause problems in the end of the power source. The static synchronous compensator of the NPC Converter aims to regulate the low and the over voltage. On the other hand, the active electric filter of the NPC Converter can ameliorate the harmonic and reactive power to achieve a balance of the three-phase current. Besides, regarding the characteristic of electric circuit, it enables the NPC Converter to save the cost by choosing the less pressure-proof components. In the following article, it is going to be confirmed by means of simulations and experiments that the multifunctional NPC Converter can be used to improve effectively the stability of both the voltage and the electric current, and moreover, to achieve the excellent quality of the electric power.

第一章 緒論
第二章 多功能NPC轉換器概論
第三章 多功能NPC轉換器原理
第四章 中性點箝位式轉換器電路分析
第五章 系統電路分析與控制模型
第六章 模擬軟體與實驗室設備介紹
第七章 單相多功能NPC轉換器模擬與實驗結果
第八章 三相多功能NPC轉換器實驗結果
第九章 結論與展望

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