高圧放電灯用電子式点灯回路の研究

永瀬 春男, 西村 広司, 内橋 聖明, 塩見 務

doi:10.2150/jieij1980.72.2_85

高圧放電灯用電子式点灯回路の研究

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永瀬春男

松下電工 (株) 照明開発研究所
西村広司

松下電工 (株) 照明開発研究所
内橋聖明

松下電工 (株) 照明開発研究所
塩見務

松下電工 (株) 照明開発研究所

書誌事項

タイトル別名

Study of Electronic Ballast for High Intensity Discharge Lamps
コウアツホウデントウヨウデンシシキテントウカイロノケンキュウ

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抄録

High frequency operation of HID lamps causes acoustic resonance phenomenon, and several countermeasures to avoid it have been studied and reported. We focusing our attention to the balance of stable frequency and destabilizing frequency, experimented to find on what condition the arc is kept stable. We reached a result that even if some arc destabilizing frequency exists in the lamp current, an unstable condition will not grow so long as its ratio is small enough. We proposed the rectangular waveform operating method as a concrete operation circuit to apply this experiment result to actual use. We have found good characteristics in its operation, when applied to a 70W metal halide lamp. Here, we report our study on it.