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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 235 - 240 (6page)
이용수
초록· 키워드
오류제보하기
A high-voltage (HV) generator with phase-shifting closed-loop control for X-ray is proposed. The LCC topology with input parallel output series (IPOS) is used in the circuit, and the phase-shifting closed-loop control is adopted to reduce the output voltage ripple further. In this paper, the LCC resonant converter is modeled based on fundamental harmonic approximation (FHA), and the output voltage ripple of a single module transformer is derived. On this basis, the output ripple of the multi-module LCC cascade converter is calculated and analyzed. Aiming at the problem that the ripple cancellation effect deteriorates due to the inconsistent parameters between modules, a phase locked loop (PLL) phase-shifting closed-loop control strategy is proposed. The simulation and experiment results show that the control method is feasible and reasonable.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. PRINCIPLE OF LCC RESONANT CONVERTER
Ⅲ. ANALYSIS OF UNBALANCED VOLTAGE
Ⅳ. CONTROL STRATEGY OF OUTPUT VOLTAGE
Ⅴ. PHASE SHIFT CONTROL
Ⅵ. SIMULATION AND EXPERIMENT
Ⅶ. CONCLUSION
REFERENCES
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