Low temperature operation of a three-level Buck DC-DC converter

被引：6

作者：

Perez-Guerrero, FF ^{[1
]}

Ray, B ^{[1
]}

Patterson, RL ^{[1
]}

机构：

[1] Univ Puerto Rico, Dept Elect & Comp Engn, Mayaguez, PR 00681 USA

来源：

IECEC-97 - PROCEEDINGS OF THE THIRTY-SECOND INTERSOCIETY ENERGY CONVERSION ENGINEERING CONFERENCE, VOLS 1-4: VOL.1: AEROSPACE POWER SYSTEMS AND TECHNOL; VOL 2: ELECTROCHEMICAL TECHNOL, CONVERSION TECHNOL, THERMAL MANAGEMENT; VOLS 3: ENERGY SYSTEMS, RENEWABLE ENERGY RESOURCES, ENVIRONMENTAL IMPACT, POLICY IMPACTS ON ENERGY; VOL 4: POST DEADLINE PAPERS, INDEX | 1997年

关键词：

D O I：

10.1109/IECEC.1997.661977

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The low temperature performance of a 50 kHz, 48+/-10 V/12 V, 60 W three-level pulse-width modulated (PWM) buck converter is reported. The converter was designed with standard commercially available components for operation from room temperature down to the liquid nitrogen temperature (-196 degrees C). The measured efficiency was 89.12% at room temperature outside the chamber, and dropped to 87.27% at -195 degrees C. Even at -195 degrees C the converter was fully functional. The three-level converters, and in general multi-level converters, offer an attractive topology for high voltage applications.

引用

页码：1415 / 1420

页数：6

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