KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Digital-To-Phase-Shift PWM Circuit for High Power ZVS Full Bridge DC/DC Converter
Authors	김은수(Kim, Eun-Su) ; 김태진(Kim, Tae-Jin) ; 변영복(Byeon, Yeong-Bok) ; 박순구(Park, Sun-Gu) ; 김윤호(Kim, Yun-Ho) ; 이재학(Lee, Jae-Hak)
Page	pp.54-61
ISSN	1975-8359
Keywords	ZVS ; FB DC/DC Converter ; Phase-Shift Circuit ; DSP
Abstract	Conventionally, ZVS FB DC/DC converter was controlled by monolithic IC UC3879, which includes the functions of oscillator, error amplifier and phase-shift circuit. Also, microprocessor and DSP have been widely used for the remote control and for the immediate waveform control in ZVS FB DC/DC converter. However the conventional microprocessor controller is complex and difficult to control because the controller consists of analog and digital parts. In the case of the control of FB DC/DC converter, the output is required of driving a direct signal to the switch drive circuits by the digital controller. So, this paper presents the method and realization of designing the digital-to-phase shift PWM circuit controlled by DSP (TMX320C32) in a 2,500A, 40㎾ ZVS FB DC/DC converter.

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