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研究生:林揚盛
研究生(外文):Yang-Sheng Lin
論文名稱:低光源閃爍螢光燈電子式安定器之設計與研製
論文名稱(外文):Design and Implementation of Electronic Ballast for Fluorescent Lamp with Low Lighting Flicker
指導教授:梁從主林瑞禮
指導教授(外文):Tsorng-Juu LiangRay-Lee Lin
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電機工程學系碩博士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2004
畢業學年度:92
語文別:中文
論文頁數:67
中文關鍵詞:電子式安定器變頻
外文關鍵詞:frequencyRippleElectronic Ballast
相關次數:
  • 被引用被引用:4
  • 點閱點閱:247
  • 評分評分:
  • 下載下載:50
  • 收藏至我的研究室書目清單書目收藏:0
  定頻控制之電子式安定器中,其功因修正電路輸出之直流鏈電壓載有兩倍市電頻率的低頻漣波,此直流鏈電壓漣波經過換流器之後,將會在螢光燈管電壓和功率產生兩倍市電頻率之低頻變化,造成光輸出之低頻閃爍。在需要穩定光源之場合,如影像檢測系統,若無法取得穩定之光源,將會降低判斷之準確度。因此,本文提出一低光源閃爍螢光燈電子式安定器,其操作原理為偵測直流鏈電壓作為前饋信號,並依據直流鏈電壓之大小,調整換流器之切換頻率,以改變燈管電壓之電壓增益,降低燈管電壓之低頻變化,使螢光燈管之光輸出為固定。最後,以電腦模擬與實作驗證此方法為可行。
  In electronic ballast for fluorescent lamp with constant-frequency control, the DC-bus voltage fed by a power-factor corrector has a low frequency ripple, which is two times of the utility-line frequency, and the low-frequency DC-bus voltage ripple can cause lighting flicker on fluorescent lamps. In application of a precise image-detecting system, a lighting source, such as a fluorescent lamp, with low lighting flicker is needed. An electronic ballast circuit for fluorescent lamp with low lighting flicker is proposed in this thesis. The operating principle of the ballast is to detect the DC-bus voltage ripple as a feed-forward signal in order to change the switching frequency of the inverter. Thus, the voltage gain of the resonant tank is adjustable. As a result, the lighting flicker caused by the DC-bus voltage ripple can be decreased. Finally, the experimental results are in agreements with simulation ones, verifying the functionality of the proposed circuit.
中文摘要 I
英文摘要 II
誌謝 III
目錄 IV
圖表目錄 VI
符號表 VIII
第一章 簡介 1
1-1 研究動機 1
1-2 論文綱要 3
第二章 螢光燈電子式安定器 4
2-1螢光燈管之介紹 5
2-1-1螢光燈管之構造 5
2-1-2氣體放電過程 8
2-1-3螢光燈之等效阻抗 12
2-2功因修正電路 13
2-3諧振式換流器 16
2-4低頻閃爍之現象 18
第三章 低光源閃爍螢光燈電子式安定器 19
3-1 主電路架構簡介 19
3-2功因修正電路之分析 20
3-2-1功因修正電路原理 20
3-2-2功因修正電路公式推導 21
3-2-3功因修正電路輸出電壓之低頻漣波 25
3-3諧振式換流器之分析 29
3-3-1串聯諧振並聯負載諧振槽公式推導 30
3-3-2頻率和燈管等效阻抗之關係 34
3-4 共振式換流器之變頻法則 36
3-4-1電壓增益之調變 39
3-4-2變頻之頻率調變 41
3-5變頻效果分析 44
第四章 電路實現與量測 45
4-1功因修正電路參數設計 46
4-2諧振參數值的設計 47
4-3變頻電路之實現與參數設計 48
4-4實驗結果與討論 52
第五章 結論與未來研究方向 64
5-1 結論 64
5-2 未來研究方向 65
參考文獻 66
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