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
- 349 - 361 (13page)
이용수
초록· 키워드
오류제보하기
As a result of the advantages such as high efficiency, continuous current and high stability margin, push-pull converter with continuous current (PPCWCC) is competitive for battery discharge regulator (BDR) which plays an important role in power conditioning unit (PCU).Leakage inductance yields current spike in low-ripple current of PPCWCCs. The operating modes are added due to leakage inductance. Therefore the steady state performance is affected, which is embodied in the spike of low-ripple current. PPCWCCs which are suitable for BDR can be separated into three types by current spike characteristics. Three representative topologies IIs1, IIcb2 and Is3 are analyzed in order to investigate the factors on the magnitude and duration of spike. Equivalent current sampling method (ECSM) which eliminates the sampling time delay and achieves excellent dynamic performance is adopted to prevent the spike disturbance on current sampling. However, ECSM reduces the sampling accuracy and telemetry accuracy due to neglecting the spike. In this paper, ECSM used in PPCWCCs is summarized. The current sampling error is analyzed in quality and quantity, which provides the foundation for offsetting and enhancing the telemetry accuracy. Finally, current sampling error rate of three topologies is compared by experiment results, which verify the theoretical analysis.
목차
Abstract
I. INTRODUCTION
II. CLASSIFICATION OF SPIKE CHARACTERISTICS
III. ANALYSIS OF CURRENT SPIKE FOR THREE TOPOLOGIES
IV. FACTORS ON CURRENT SPIKE
V. EQUIVALENT CURRENT SAMPLING METHOD
VI. PROBLEM OF EQUIVALENT CURRENT SAMPLING METHOD
VII. EXPERIMENTAL RESULTS
VIII. CONCLUSIONS
REFERENCES
참고문헌 (21)
참고문헌 신청
N. Nicolas / 2011 / A new modular and flexible power system for LEO missions / Proceeding of 9th European Space Power Conference
P. Morsaniga / 2011 / Bepicolombo electrical power system / Proceeding of 9th European Space Power Conference
O. Dan / 1995 / Lessons learnt in-flight-the STRV micro-satellite power system / Proceeding of 4th European Space Power Conference
M. M. Hansen / 2008 / "Power conditioning unit for bepicolombo transfer module / Proceeding of 8th European Space Power Conference
H. Jensen / 2002 / Power conditioning unit for Rosetta/Mars express / Proceeding of 6th European Space Power Conference :249~256
P. Morsaniga / 2011 / Bepicolombo electrical power system / Proceeding of 9th European Space Power Conference
O. Dan / 1995 / Lessons learnt in-flight-the STRV micro-satellite power system / Proceeding of 4th European Space Power Conference
M. M. Hansen / 2008 / "Power conditioning unit for bepicolombo transfer module / Proceeding of 8th European Space Power Conference
H. Jensen / 2002 / Power conditioning unit for Rosetta/Mars express / Proceeding of 6th European Space Power Conference :249~256
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