지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.5
- 수록면
- 329 - 338 (10page)
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초록· 키워드
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In this paper, the charging characteristics of series resonant type high voltage capacitor chargers considering the transformer stray capacitance have been studied. The principles of operation for the four operational modes and the mode changes for the four different switching frequency sections are explained and analyzed in the range of switching frequency below the resonant frequency. It is confirmed that the average charging currents derived from the above analysis results have non-linear characteristics in each of the four modes. The resonant current, resonant voltage, charging current, and charging time of this capacitor charger as variations of the switching frequency, series parallel capacitance ratio (k=Cp/Cs), and output voltage are calculated. From the calculation results, the advantages and disadvantages arising from the parallel connection of this stray capacitance are described. Some methods to minimize charging time of this capacitor charger are suggested. In addition, the results of a comparative test using two transformers whose stray capacitances are different are described. A 1.8 kJ/s prototype capacitor charger is assembled with a TI28335 DSP controller and a 40 kJ, 7 kV capacitor. The analysis results are verified by the experiment.
목차
Abstract
I. INTRODUCTION
II. ANALYSIS OF HIGH VOLTAGE CAPACITOR CHARGERS
III. SIMULATION OF CHARGING CHARACTERISTICS
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
참고문헌 (16)
참고문헌 신청
I. R. McNab / 2005 / Development of a naval railgun / IEEE Trans. Magn 41(1):206~210
M. Del Guercio / 2003 / A 4. 5-MJ pulsed power supply for railgun experiments / IEEE Trans. Magn 39(1):280~284
T. Wolfe / 2005 / Preliminary design of a 200 MJ pulsed power system for a naval railgun proof of concept facility / Proc. 15th International Pulsed Power Conf :70~74
J. M. Neri / 2007 / Operation of a 5-MJ capacitor bank for EML materials testing / Proc. 16th International Pulsed Power Conf :1736~1739
G. Ortiz / 2010 / Optimal design of a 3.5 kV/11 kW DC-DC converter for charging capacitor banks of power modulators / IEEE Trans. Plasma Sci 38(10):2565~2573
M. Del Guercio / 2003 / A 4. 5-MJ pulsed power supply for railgun experiments / IEEE Trans. Magn 39(1):280~284
T. Wolfe / 2005 / Preliminary design of a 200 MJ pulsed power system for a naval railgun proof of concept facility / Proc. 15th International Pulsed Power Conf :70~74
J. M. Neri / 2007 / Operation of a 5-MJ capacitor bank for EML materials testing / Proc. 16th International Pulsed Power Conf :1736~1739
G. Ortiz / 2010 / Optimal design of a 3.5 kV/11 kW DC-DC converter for charging capacitor banks of power modulators / IEEE Trans. Plasma Sci 38(10):2565~2573
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