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Near unity power-factor electronic ballast based on integration techniques to drive high intensity discharge metal halide (HID-MH) lamps

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4 Author(s)
Fuerback, A.L. ; INEP, UFSC, Florianopolis, Brazil ; da S.Postiglione, C. ; Nascimento, C. ; Perin, A.J.

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. To stabilize the lamps power a low bandwidth feedback control loop was designed and implemented.

Published in:

Energy Conversion Congress and Exposition, 2009. ECCE 2009. IEEE

Date of Conference:

20-24 Sept. 2009

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