Title :
Analysis and improvement on input current of one-cycle controlled PFC converter
Author :
Jiang, Tao ; Mao, Peng ; Xie, Shaojun
Author_Institution :
Coll. of Autom. Eng., Nangjing Univ. of Aeronaut. & Astronaut., Nangjing, China
Abstract :
The influence on input current harmonics by single-edge modulation of conventional one-cycle control (OCC) in single-phase PFC converters is analyzed. The relation between low-frequency odd harmonics of the inductor current and modulation scheme is revealed. Based on the analysis, bi-edge modulation with triangular-wave as carrier is proposed. The inductor current is modulated both at leading- and trailing-edge in a switching cycle. Consequently, the low-frequency odd harmonics of inductor current is reduced, and the quality of the input current is improved. The validity of the theoretical analysis and feasibility of the bi-edge modulation OCC scheme are verified by simulation and experiment results.
Keywords :
harmonic analysis; power factor correction; power inductors; switching convertors; biedge modulation; inductor current; low-frequency odd harmonics; one-cycle controlled PFC converter; single-edge modulation; single-phase PFC converters; triangular-wave modulation; Analytical models; Automatic control; Automation; Educational institutions; Harmonic analysis; Inductors; Pulse modulation; Steady-state; Virtual manufacturing; Voltage; Bi-edge modulation; One-cycle control(OCC); Power factor correction(PFC); odd harmonics;
Conference_Titel :
Industrial Electronics and Applications (ICIEA), 2010 the 5th IEEE Conference on
Conference_Location :
Taichung
Print_ISBN :
978-1-4244-5045-9
Electronic_ISBN :
978-1-4244-5046-6
DOI :
10.1109/ICIEA.2010.5515421
