Open AccessEffect of loop gain of ripple cancellation converter on twice‐line‐frequency voltage ripple in PFC converter
Author(s) -
Cai Yaping,
Xu Jianping,
Liu Gao,
Yao Zhanhui,
Zhou Guohua
Publication year - 2017
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/el.2017.1438
Subject(s) - ripple , voltage , control theory (sociology) , electronic engineering , engineering , electrical engineering , computer science , control (management) , artificial intelligence
Power factor correction (PFC) converter with a twice‐line‐frequency ripple cancellation converter (RCC) has attracted much attention due to its ability of twice‐line‐frequency output voltage ripple cancellation and high power conversion efficiency. The audio susceptibility of buck‐type RCC operating in discontinuous conduction mode is derived and the effect of loop gain of RCC on the cancellation of twice‐line‐frequency output voltage ripple is studied. Experimental results of a 50 W prototype are presented to verify the analysis results.