Title :
Digitally controlled low-harmonic rectifier having fast dynamic responses
Author :
Prodic, Aleksandar ; Chen, Jingquen ; Erickson, Robert W. ; Maksimovic, Dragan
Author_Institution :
Dept. of Electr. & Comput. Eng., Colorado Univ., Boulder, CO, USA
Abstract :
This paper describes a completely digitally controlled low-harmonic rectifier. It is shown that the dynamics of the outer voltage loop can be significantly improved using a digital notch filter. Low input current harmonics and fast voltage response are experimentally verified using a 200 W universal-input boost power supply operating at the switching frequency of 200 kHz.
Keywords :
digital control; digital filters; digital signal processing chips; dynamic response; notch filters; power factor correction; rectifying circuits; switching circuits; voltage control; 200 W; 200 kHz; ADMC-401 DSP; digital PFC controller; digital notch filter; digitally controlled low-harmonic rectifier; fast voltage response; low input current harmonics; outer voltage loop; outer voltage loop dynamics; switching frequency; universal-input boost power supply; voltage regulator; Digital control; Digital filters; Power electronics; Power harmonic filters; Pulse width modulation converters; Rectifiers; Switching converters; Switching frequency; Temperature control; Voltage control;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2002. APEC 2002. Seventeenth Annual IEEE
Conference_Location :
Dallas, TX, USA
Print_ISBN :
0-7803-7404-5
DOI :
10.1109/APEC.2002.989287
