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A Study on the Operational Characteristics of PFC at Instantaneous Power Interrupt  

이해돈 (신보정보통신(주) 기술연구소)
최규하 (건국대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.9, no.4, 2004 , pp. 390-396 More about this Journal
Abstract
Recently, there have been Increasing demands for high power factor and low harmonic distortion in the current drawn from utility. The harmonic limits imposed by international standards. It need the PFC techniques in order to reduce line current harmonics and comply with the standards. The average current control method that is the most proper PFC control method in a switching power supply of middle and high power has been used mostly to PFC control method. However, the switching device of PFC circuit has frequently destructed at power return after instantaneous power interrupt. Therefore, this paper have verified the cause of this problems and proposed the solution through simulation and experiment
Keywords
Power factor correction; Power factor; Switching mode power supply; Boost converter; Harmonic; Instantaneous power interrupt;
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