Title :
Evaluation of acoustic resonance in metal halide (MH) lamps and an approach to detect its occurrence
Author :
Peng, H. ; Ratanapanachote, S. ; Enjeti, P. ; Laskai, L. ; Pitel, I.
Author_Institution :
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
Abstract :
A method to detect the occurrence of the acoustic resonance based on lamp electrical parameters has been proposed. Extensive experiments are conducted on 70 W metal halide lamps from different manufacturers and a lamp acoustic resonance detection method based on ΔR/R variation is developed. A new topology for a smart ballast which selects the operating frequency for stable operation based on real time measurements is proposed
Keywords :
acoustic resonance; acoustic variables measurement; lamp accessories; metal vapour lamps; nonlinear acoustics; resonance; ΔR/R variation; 70 W; acoustic resonance evaluation; acoustic resonance occurrence; lamp electrical parameters; metal halide lamps; operating frequency selection; real time measurements; smart ballast topology; Acoustic measurements; Acoustic signal detection; Electronic ballasts; Frequency; Geometry; High intensity discharge lamps; Manufacturing; Resonance; Thermodynamics; Topology;
Conference_Titel :
Industry Applications Conference, 1997. Thirty-Second IAS Annual Meeting, IAS '97., Conference Record of the 1997 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-4067-1
DOI :
10.1109/IAS.1997.626381
