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Design and Development of Pulse Ignition for Hid Lamp Electronic Ballast with ZVS-QSW Converter

Author(s):

Santosh.J.Modi , PDA college of engineering gulbarga; Rajkumar.P.Bainoor, pda college of engineering gulbarga

Keywords:

Electronic ballast, metal halide lamp, pulse igniting, zero-voltage-switching, zero-voltage-switching quasi-square wave (ZVS-QSW)

Abstract

In this paper, a novel pulse ignition circuit is proposed for electronic ballast with the zero-voltage-switching quasi-square wave (ZVS-QSW) converter; the voltage pulse of the proposed igniting circuit contains both a high frequency part and a low frequency part; the high frequency part made it easy to exit the gas in the ionization conduction state in the high-intensity discharge lamp, and the low frequency part makes it easy to lower the igniting potential and provides the continuous pulse energy. A special microcontroller for a HID ballast is used to raise the control performance, and the low-frequency square-wave control method is adopted to avoid acoustic resonance. A 70W prototype was built in the laboratory. Experimental results show that the electronic ballast works reliably. Furthermore, the efficiency of the ballast can be higher than 92%.

Other Details

Paper ID: IJSRDV3I60384
Published in: Volume : 3, Issue : 6
Publication Date: 01/09/2015
Page(s): 688-690

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