Title :
Low temperature performance of a boost converter with MPP and HTS inductors
Author :
Ray, Biswajit ; Gerber, Scott S. ; Patterson, Richard L. ; Dickman, John E.
Author_Institution :
Dept. of Electr. & Comput. Eng., Puerto Rico Univ., Mayaguez, Puerto Rico
Abstract :
Low temperature performance of a 150 W, 50 kHz, 24/48 V boost PWM DC-to-DC power converter is reported. The efficiency of the power converter using a molypermalloy powder (MPP) core based inductor went up from 94% at room temperature (23°C) to 95.9% at liquid nitrogen temperature (-196°C). A BSCCO based high temperature superconducting (HTS) inductor with a transition temperature of approximately -158°C was compared to a MPP core based inductor in terms of the power converter performance at liquid nitrogen temperature. The use of the HTS inductor in the power converter tested yielded no significant performance improvement over the same power converter with the MPP inductor. The experimental results are discussed along with the HTS inductor characteristics
Keywords :
DC-DC power convertors; PWM power convertors; Permalloy; high-temperature superconductors; inductors; low-temperature techniques; magnetic cores; molybdenum alloys; powder cores; power inductors; -158 C; -196 C; 150 W; 23 C; 24 V; 28 V; 50 kHz; 94 percent; 95.9 percent; BiSrCaCuO; PWM DC-to-DC power converter; boost power converter; high temperature superconducting inductor; liquid nitrogen temperature; low temperature performance; molypermalloy powder core; transition temperature; Bismuth compounds; DC-DC power converters; High temperature superconductors; Inductors; Nitrogen; Powders; Pulse width modulation; Pulse width modulation converters; Superconducting transition temperature; Testing;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 1996. APEC '96. Conference Proceedings 1996., Eleventh Annual
Conference_Location :
San Jose, CA
Print_ISBN :
0-7803-3044-7
DOI :
10.1109/APEC.1996.500543
