Abstract | ||
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To avoid the acoustic resonance on operating metal halide lamps, an autofrequency-searching method is implemented on the high-frequency electronic ballast. The proposed method allows the use of a high-frequency electronic ballast, making the ballast able to adjust the operating frequency automatically as soon as the acoustic resonance is detected and, consequently, to locate it at a stable frequency. The electronic ballast achieves a high efficiency and a high power density through the employment of a high-frequency resonant inverter with an embedded buck-boost converter for power-factor correction and lamp power regulation. The control strategy is realized by a microprocessor along with the acoustic-resonance detection circuit. The operation of autofrequency searching is illustrated by the experiments on an electronic ballast designed for 70-W metal halide lamps. |
Year | DOI | Venue |
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2008 | 10.1109/TIE.2008.923289 | IEEE Transactions on Industrial Electronics |
Keywords | Field | DocType |
Electronic ballasts,Resonance,Resonant frequency,Acoustic signal detection,Resonant inverters,Employment,Microprocessors,Circuit optimization,Fluorescent lamps,Fluctuations | Metal-halide lamp,Ballast,Power factor,Automatic frequency control,Power density,Halide,Resonant inverter,Engineering,Electrical engineering,Acoustic resonance | Journal |
Volume | Issue | ISSN |
55 | 10 | 0278-0046 |
Citations | PageRank | References |
6 | 0.85 | 3 |
Authors | ||
3 |
Name | Order | Citations | PageRank |
---|---|---|---|
Chin-Sien Moo | 1 | 11 | 2.90 |
Chun-Kai Huang | 2 | 30 | 7.04 |
Ching-Yuan Yang | 3 | 227 | 36.15 |