An Improved Weinberg Converter with Low Output Current and Voltage Ripple

被引:0
|
作者
Bae, Ji-Hoon [1 ]
Park, Jeong-Eon [2 ]
Lee, Ju-Young [1 ]
Lee, Nayoung [2 ]
Han, Sang-Kyoo [1 ]
机构
[1] Kookmin Univ, POwer Elect Syst Lab POESLA, Seoul, South Korea
[2] KARI, Satellite R&D Head Off, Daejeon, South Korea
来源
45TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY (IECON 2019) | 2019年
关键词
Weinberg; Battery discharge regulator; Low output current and voltage ripple; Coupled inductor peak current; Soft switching; BATTERY DISCHARGE REGULATOR;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The Weinberg converter is a suitable choice for the battery discharge regulator of a geostationary satellite due to its high efficiency, continuous input and output current, and soft switching of switches and diodes. Nevertheless, this converter has high output current ripple during the commutation period of its output diodes. Therefore, the output RMS current and output voltage ripple are high, which may directly affect the lifetime and total capacitance of bus capacitors and hence, the lifetime and volume of the geostationary satellite. Thus, reducing the output current ripple is important to the design of the geostationary satellite. An improved Weinberg converter with an additional inductor and capacitor is proposed in this paper to reduce the output current and voltage ripple. It features soft switching of all switches, no reverse recovery problems of the diodes, and reduced magnetizing offset current in the coupled inductor. The proposed converter is verified with experimental results from a 750W, 100kHz, 36-50Vdc prototype.
引用
收藏
页码:1597 / 1602
页数:6
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