單相UPS的雙半波PFC電路分析
作者:吳釗銘,任開春 上傳時(shí)間:2015/8/25 15:08:31
摘要:目前,單相UPS的逆變電路主要采用半橋結(jié)構(gòu)。但普通全橋型PFC電路難以為其提供電源,而雙半波PFC電路適合為半橋逆變電路提供電源。針對單相UPS的一種雙半波PFC電路,分別使用UCC28180D和TMS320F28027作為控制芯片,進(jìn)行了控制系統(tǒng)設(shè)計(jì)。結(jié)果表明,TMS320F28027更適合雙半波PFC控制系統(tǒng)的設(shè)計(jì),為半橋逆變電路的前級PFC設(shè)計(jì)提供了一種思路。
敘詞:UPS 雙半波PFC UCC28180D TMS320F28027
Abstract: At present, the half-bridge inverter circuit is used in single-phase UPS. It is difficult to provide appropriate power supply for the half-bridge inverter using ordinary full-bridge PFC, but dual half-wave PFC could do it easily. The control system respectively based on UCC28180D and TMS320F28027 was designed for a dual half-wave PFC in single-phase UPS. The results show that TMS320F28027 is more suitable for dual half-wave PFC control system design. And this paper could help designing of PFC for the half-bridge inverter.
Keyword:UPS, Dual half-wave PFC, UCC28180D, TMS320F28027
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