Dynamic behavior of HID-MH lamps when operating at high frequency with a square wave
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Abstract
The dynamic operating characteristics of the equivalent impedance of metal halide lamps, when fed with a high-frequency square wave (10 kHz to 50 kHz), are investigated. Electrical variables such as voltage, current, and power, as well as physical variables such as temperature and luminous intensity, are analyzed in their behavior against variations in the frequency of operation. In addition, a method that allows quantifying the amplitude of the longitudinal acoustic resonance in each frequency of operation of the HID-MH lamps is proposed.
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