Title :
Simple AC/DC converters to meet IEC 1000-3-2
Author :
García, O. ; Cobos, J.A. ; Prieto, R. ; Alou, P. ; Uceda, J.
Author_Institution :
Div. de Ingenieria Electron., Univ. Politecnica de Madrid, Spain
fDate :
6/22/1905 12:00:00 AM
Abstract :
Standard IEC 1000-3-2 imposes limits to low frequency harmonic currents generated by electronic equipment connected to AC mains. Off-line power supplies have to be re-designed to comply with this normative. The impact is a higher cost and volume of these power supplies. Simple single-stage AC/DC converters with fast output voltage regulation are presented in this paper. With a single switch and single control loop the converters comply with the Standard IEC 1000-3-2 for a medium power range (500 W). The main difference of this proposal with the state of the art is that the voltage on the storage capacitor is clamped, being possible to use this converter in universal input voltage applications. In addition, these converters show advantages from the point of view of size and cost. Experimental results are included in the paper
Keywords :
AC-DC power convertors; IEC standards; power conversion harmonics; voltage control; 500 W; AC mains connected electronic equipment; AC/DC converters; IEC 1000-3-2; fast output voltage regulation; low frequency harmonic currents limit; medium power range; off-line power supplies re-design; single-stage AC/DC converters; storage capacitor voltage clamping; AC generators; Costs; DC-DC power converters; Electronic equipment; Frequency; IEC standards; Power supplies; Switches; Switching converters; Voltage control;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-5864-3
DOI :
10.1109/APEC.2000.826148
