Cataphoresis Phenomenon of Fluorescent Lamps with HF Electronic Ballasts
スポンサーリンク
概要
- 論文の詳細を見る
Recently, the T8-4ft. fluorescent lamp systems with high frequency (HF) electronic ballasts have been promoted as a strategic energy-saving product even into the outdoor lighting fields. In such a situation, the troublesome pinkish-colored cataphoresis phenomenon of these lamps is observed especially in the outdoor fields of winter seasons. The cataphoresis phenomenon of FLs is currently considered to occur only in the DC operation and hardly in the AC operation. Nevertheless, conventional HF electronic ballasts keep inherently the superimposed DC voltage component V_<DC>, attributed mostly to the duty unbalance in the HF inverter circuit. This paper shows that the cataphoresis phenomenon of T8-4ft fluorescent lamp systems with HF electronic ballasts is analyzed in relation to definitive parameters of the coldest tube wall temperature T_c and the superimposed DC voltage component V_<DC>. This has clarified the critical cataphoresis phenomenon outbreak conditions, given by the equation V_<DC> = 0.56 T_c-4.3. In addition, through the experiments on the lamp buming hours to the cataphoresis phenomenon outbreak, the ballast design requirement of V_<DC> less than 2V is proposed as an actual suppression measure against the cataphoresis phenomenon.
- 社団法人照明学会の論文
著者
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Yamanaka Yukio
National Institute Of Information And Communications Technology
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Hashimoto Nozomu
Lighting Company Matsushita Electric Industrial Co. Ltd.
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NAGAI Hideo
Lighting Company, Matsushita Electric Industrial Co., Ltd.
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HONDA Kouji
Lighting Company, Matsushita Electric Industrial Co., Ltd.
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SATO Keisuke
Lighting Company, Matsushita Electric Works, Ltd.
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MIKI Nobukazu
Lighting Company, Matsushita Electric Works, Ltd.
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YAMANAKA Yukio
Lighting Company, Matsushita Electric Works, Ltd.
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Sato Keisuke
Lighting Company Matsushita Electric Works Ltd.
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Yamanaka Yukio
Lighting Company Matsushita Electric Works Ltd.
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Honda Kouji
Lighting Company Matsushita Electric Industrial Co. Ltd.
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Miki Nobukazu
Lighting Company Matsushita Electric Works Ltd.
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Nagai Hideo
Lighting Company Matsushita Electric Industrial Co. Ltd.
関連論文
- Cataphoresis Phenomenon of Fluorescent Lamps with HF Electronic Ballasts
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