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研究生:唐聖億
研究生(外文):Sheng-Yi Tang
論文名稱:複金屬燈高頻操作特性研究
論文名稱(外文):Investigation on High Frequency Operating Characteristics of Metal Halide Lamp
指導教授:莫清賢莫清賢引用關係
指導教授(外文):Chin-Sien Moo
學位類別:碩士
校院名稱:國立中山大學
系所名稱:電機工程學系研究所
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:42
中文關鍵詞:複金屬燈音頻共振光譜能量發光效率怠滯時間
外文關鍵詞:luminous efficiencyMetal halide lampacoustic resonanceelectronic ballastspectral energy
相關次數:
  • 被引用被引用:18
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  • 下載下載:30
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本文針對複金屬燈之操作特性進行研究,其中包括音頻共振現象、光譜能量分佈與發光效率穩態特性。本文爲了使複金屬操作於預期狀態之下,分別設計製作兩種精密的弦波電流驅動與方波電流驅動的安定器之測試電路,其中一個安定器利用串聯共振換流器輸出高頻弦波燈管電流,範圍介於20kHz~300kHz,另一個使用全橋式換流器利用方波電流驅動燈管,範圍介於50Hz~300kHz。而這兩種測試電路的操作頻率與燈管電流皆可獨立調變,此外,燈管功率是由直流鏈電壓調整。
本論文之實驗結果:(1)若以弦波電流和方波電流驅動燈管時,發現光譜能量只有些微不同。(2)當操作頻率逐漸上升時,其發光效率是呈下降趨勢,尤其在低頻時,下降幅度更為明顯。(3)發光效率的減少,相當於燈管功率的降低(4)音頻共振使得弧光不穩定,而不同燈管電流波形對音頻共振之產生有很大關係。
透過本論文的研究結果,可更加了解複金屬燈之穩態操作特性,而且能提供安定器電路設計時完整、明確的參考依據。
The operating characteristics of metal halide lamps are investigated, including acoustic resonance, spectral energy, and luminous efficacy. To operate metal halide lamps at intended conditions, two test sophisticated ballast circuits are built to drive the lamps with sine-wave current and square-wave current, respectively. One ballast employs the series resonant inverter to output sinusoidal lamp current over a high-frequency range from 20 kHz to 300 kHz. The other makes use of the full-bridge inverter to drive the lamps with square-wave current from 50 Hz up to 300 kHz. For both test circuits, the operating frequency and the magnitude of the lamp current can be controlled independently. On the other hand, the lamp power is adjusted by regulating the DC-link power.
Several conclusions are drawn from experimental results: (1) Little difference is found between the lighting spectra of a lamp when driven by sinusoidal current and square-wave current. (2) Luminous efficiency deteriorates as the operating frequency increases. The deterioration is more significant at lower frequencies. (3) Luminous efficiency decreases considerably as the lamp power is reduced. (4) Arc instability from acoustic resonance is highly related to the waveform of the lamp current.
The investigated results give better understanding on the steady state operation of metal halide lamps and provide useful information for the design of the electronic ballasts.
中文摘要 Ⅰ
英文摘要 Ⅱ
目錄 Ⅲ
圖目錄 Ⅴ
表目錄 VII
第一章 簡介 1
1-1 研究動機 1
1-2 音頻共振 2
1-3 光譜能量分佈 3
1-4 論文大綱 5
第二章 弦波電流與方波電流驅動之特性 6
2-1 電流波形對燈管功率之影響 6
2-2 弦波電流與方波電流之驅動電路 8
2-3 測試電路 9
2-3-1 弦波電流驅動測試電路 9
2-3-2 方波電流驅動測試電路 11
第三章 音頻共振 14
3-1 音頻共振之量測 14
3-2 弦波電流供電之音頻共振分佈 17
3-3 高頻方波電流驅動 19
3-4 怠滯時間對音頻共振分佈之影響 19
第四章 光譜能量分佈與發光效率 21
4-1 光譜能量分佈 21
4-1-1 電流波形對光譜能量分佈之影響 22
4-1-2 怠滯時間對光譜能量分佈之影響 23
4-1-3 操作頻率對光譜能量分佈之影響 26
4-1-4 燈管功率對光譜能量分佈之影響 29
4-2 發光效率 32
4-2-1 怠滯時間對發光效率之影響 32
4-2-2 電流波形對發光效率之影響 33
4-2-3 操作頻率對發光效率之影響 36
第五章 結論與未來研究方向 39
參考文獻 41
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