臺灣博碩士論文加值系統

臭氧具有強力殺菌效果且不會對環境造成二度污染，但也由於其半衰期短，短暫時間內便會分解還原成氧氣，所以無法在工廠大量製造後以容器儲存。因此例如在家庭或攜出在外應用的臭氧產生器便非常需要小型化，而放電型的臭氧產生器中尤以介電質屏蔽放電產生臭氧的產生器較無噪音的困擾。因此本論文主要目的在於針對小型化的室內應用需求設計與研製一可攜式介質屏蔽放電型(或稱為靜音放電型)臭氧產生器之高壓電源供應器。
基本上，本論文貢獻有三點，茲分述如下：首先本論文對室內應用及小型化需求提出ㄧ靜音放電型臭氧產生器之高壓電源供應器。其特點為包括前級的功因校正器，可以獲得低電流諧波與高功因效果，以及後級的半橋串並聯諧振高頻換流器，可以獲得零電壓切換降低開關應力及提升效率的效果。第二點貢獻則為進ㄧ步針對所提電路架構，考量該臭氧產生器的高頻等效電路模型，提出前後兩級電路元件參數的設計參考準則。最後，第三點，本論文作者亦實際製作一台500W，輸入電壓為80~270Vac、60Hz、輸出為2kVac、300kHz之高壓電源供應器，其中前級功因校正器功因約為0.95~0.99，而最高效率可達96%；後級高頻換流器採用叢發式(burst mode)控制以獲得高電壓穩定度，而其效率可達87%，即整體臭氧產生器之電源供應器效率可達83.5%，亦驗證了本文所提之高頻高壓電源供應器確實能達到預期的效能。

Ozone has strong sterilization capability and does not cause re-pollution to the environment. However, since it has a short half-life, meaning that it deoxidizes into oxygen in a short time span, makes it impossible to be put in mass production and store in containers. Hence, for small scale applications like in domestic use, a miniaturized ozone generator would be very convenient. The dielectric barrier ozone generator is one of the quietest types among all discharge ozone generators. Therefore, the main purpose of this thesis is focused to design and implement a high voltage power supply for miniaturized portable dielectric barrier discharge (also called the silent discharge) ozone generators for the use in indoor environments.
Basically, the contributions of this thesis can be summarized as follows. First, propose a high voltage power supply for silent discharge ozone generators used for indoor applications and miniaturization demands. The high voltage power supply consists of two stages. The front stage is a boost-type power factor correction circuit to achieve low current harmonics and high power factor. The second stage is a half-bridge high frequency series-parallel resonant inverter with zero-voltage switching to achieve less voltage stress and higher efficiency. Second, some design criteria are given for designing the high voltage power supply by employing the high frequency equivalent circuit model of the ozone generator together with a burst mode control to achieve more robust output voltage under changing loads. Finally, a high voltage power supply with 80~270Vac 60Hz input, 2kVac 300kHz output, and 500W rated power is actually implemented.
The power factor of the front stage PFC is 0.95~0.99, and the highest efficiency may reach 96%. The second stage high voltage inverter can achieve an efficiency of 87% approximately. It turns out that the overall efficiency can reach 83.5%. Also, it is seen that the constructed prototype can indeed achieve the expected performance.

摘要 I
英文摘要 II
誌謝 IV
目錄 V
圖目錄 VII
表目錄 XI

第一章 緒論 1
1.1 研究動機 1
1.2 文獻回顧 2
1.3 本論文之貢獻 3
1.4 本論文之內容概述 3
第二章 靜音放電型臭氧產生器簡介 4
2.1 前言 4
2.2 臭氧產生方式與其產生器之工作原理 5
2.2.1 臭氧產生方式 5
2.2.2 放電型臭氧產生系統架構 7
2.2.3 放電型臭氧產生器工作原理 10
2.3 靜音放電臭氧產生器之放電等效模型 12
2.4 靜音放電臭氧產生器等效電路參數之量測 14
第三章 高頻高壓電源供應器之設計 16
3.1 前言 16
3.2 前級功因校正器之設計 17
3.2.1 功率級電路設計 18
3.2.2 功因校正器控制電路設計 23
3.3 後級高頻諧振換流器之設計 28
3.3.1 串並聯諧振電路之設計 28
3.3.2 諧振換流器電路工作模式 35
3.3.3 換流器回授控制 39
第四章 雛型製作與實驗結果 41
4.1 前言 41
4.2 功因校正器製作與實驗量測 42
4.3 高頻諧振換流器電路製作與實驗量測 49
第五章 結論 67
參考文獻 68

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