Design and Implementation of Digital Controlled Interleaved Power Factor Corrector with Universal Input Voltage and Wide Bandgap Devices

• Main Authors: Yang-Ming Lin, 林陽明
• Other Authors: Yen Shin Lai
• Format: Others
• Language: zh-TW
• Published: 2017
• Online Access: http://ndltd.ncl.edu.tw/handle/b4jp57

碩士 === 國立臺北科技大學 === 電機工程系電力電子產業研發碩士專班 === 105 === The objective of this thesis is to design and implement an interleaved power factor corrector with universal input voltage and wide bandgap devices. The specifications of the converter include: input voltage from 115 V/60 Hz to 230 V/60 Hz, output voltage 400 V, output power 760 W and switching frequency 200 kHz. The control software is developed and verified using a microprocessor, TMS320F28035. The wide bandgap device includes GaN power device and SiC Schottky diode. The converter volume is reduced due to higher switching frequency. The two switches are controlled with 180° out of phase to provide interleaved operation. Therefore, the input current ripple can be reduced. The experimental results confirm that the converter efficiency is up to 93.6% and power factor is 0.99 under full load and input voltage 115V conditions, and the converter efficiency is 95.6% and power factor is 0.975, under full load and input voltage 230V condition.