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김주용(Ju-Yong Kim),최세권(Se-Kwon Choi),조준석(Jun-Seok Cho),정태욱(Tae-Uk Jung),고희석(Hee-Seok Kho) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.5월
It is necessary to use the boost DC-DC converter and the DC-AC inverter in residential fuel cells to adjust voltage into the adequate value and acquire the alternating current of 220V, respectively. Because most residential fuel cells have the low power under 5㎾ and the range of the output voltage fluctuation is large. in this paper, the single-phase inverter consisted with minimum devices was manufactured to supply AC voltage of 110/220[V], 60[㎐] at residential, which connects DC-DC converter and DC-AC inverter. Also, the PWM switching technique using ATmega 128 devices was applied in this system.
신재생에너지용 연계형 인버터의 고효율 승압에 관한 연구
정태욱(Tae-Uk Jung),김주용(Ju-Yong Kim),최세권(Se-Kwon Choi),조준석(Jun-Seok Cho),고희석(Hee-Seok Kho) 한국조명·전기설비학회 2009 한국조명·전기설비학회 학술대회논문집 Vol.2009 No.5월
In this paper, such as battery power or solar energy and fuel cells generated from Renewable energy sources, high voltage to low voltage DC-DC Converter for converting the design of the study. System consists of low voltage (24~28 [VDC]) and Boosts the voltage (270 [VDC]) for a 3 [㎾] DC-DC converter and control circuit is configured as, Power switch the ST Tomson's Automotive low voltage high current MOSFET switches STE250NS10S (temperature 250A) was applied to the two parallel. Also, Controller's processor used ATMEGA128, and Gate Drive applies and composed Photo Coupler TLP250. development. Input voltage (24V) and output voltage (270V) for Conversion in the H-bridge converter topology of the circuit output side power and voltage to control the implementation of the Phase shift angle control applied. And, 3㎾ of power to pass appropriate specification of the secondary side as interpreted by the high frequency transformer, and the experimental production and analysis of the experiment.