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A new open-loop measurement system has been built up to test the stability of metal halide (abbr. MH) lamps in this paper. Based on the new measurement system, a lot of small power MH lamps (70 W) have been tested and arrived at the followings conclusions: 1) the acoustic resonance of MH lamp is caused by itself while it operates in high frequency; 2) the stable operating frequency range is about...
A new modeling approach for the metal halide (abbrev. MH) lamp has been put forward in this paper. Our works focus on the followings: (1) Based on the low frequency behaviors of MH lamp, a new model for the MH lamp has been proposed. This model is simple but very useful; (2) The voltage waveform of the lamp is not sinusoid but looks like a square waveform, a method for estimating the voltage value...
A new modeling approach for the metal halide (abbrev. MH) lamp has been put forward in this paper. Our works focus on the followings: (1) Based on the low frequency behaviors of MH lamp, a new model for the MH lamp has been proposed. This model is simple but very useful; (2) The voltage waveform of the lamp is not sinusoid but looks like a square waveform, a method for estimating the voltage value...
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