Computer aided investigation of magnetic fields induced by CFL electronic ballasts

Abstract

The investigation results of magnetic fields induced by compact fluorescent lamp electronic ballasts are presented. For the investigation the high definition audio system of portable personal computer and spoafctkwaagree etonovlisro ndmeveenlot pwede rein atphpel ieMd.A TTLheA Bex®p eprriomgeranmts have shown that the intensity of magnetic fields induced by compact fluorescent lamp electronic ballasts is significantly higher than that magnetic field of incandescent lamp of the same brightness. The fslpueocrteruscmesn t olaf mmp aeglnecettrico nifci ebldasl laisntsd uacreed wbidye , cdoimscpreatcet and ranges up to about 48 kHz. The magnetic field is distributed not uniformly and its largest intensity is at the one side of the compact fluorescent lamp.