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This work presents a single stage converter to drive HID-MH lamps. The integration of two DCM boost converters, in an interleaved way, with a half bridge voltage inverter and the use of a square current waveform applied to the lamp results in an electronic ballast with high power factor using a simple control strategy to avoid the acoustic resonance.
This work presents a single stage converter to drive high intensity discharge metal halide (HID - MH) lamps. The integration of two DCM boost converters, in an interleaved way, with a half bridge voltage inverter and the use of a square current waveform applied to the lamp results in an electronic ballast with high power factor and reduced power spectrum spread to avoid the lamp's acoustic resonance...
This work presents a two stage converter to drive high intensity of discharge metal halide lamps (HID-MH). The integration of two boost converters, in an interleaved way, with a full bridge inverter and the use of a square current waveform applied to the lamp results in high power factor and absence of acoustic resonance.
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