期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2017
卷号：6
期号：9
页码：19165
DOI：10.15680/IJIRSET.2017.0609053
出版社：S&S Publications
摘要：In this paper Poor power quality, moderate dynamic reaction, high gadget stretch, consonant rich,occasionally thick, peaky, mutilated info current are the significant issues which are every now and again experiencedin traditional exchanged mode influence supplies (SMPSs) utilized as a part of PCs. To relieve these issues, it isproposed here to utilize a non-secluded bridgeless buck-support single finished essential inductance converter (SEPIC)in intermittent conduction mode (DCM) at the front end of a SMPS. The bridgeless SEPIC at the front end gives solidlycontrolled output dc voltage even under successive information voltage and load varieties. The output of the front endconverter is connected with a hybrid dc-dc converter for seclusion and furthermore to obtain distinctive dc voltagelevels at the load end that are required in a PC. Controlling a solitary output voltage can direct the various dc outputvoltages also.
关键词：Bridgeless converter; PFC; input current; computer power supply; power quality
