NDLI: Evaluation of cryogenic power conditioning subsystems for electric propulsion spacecraft

Content Provider	IEEE Xplore Digital Library
Author	Das, R.S.L. Krauthamer, S. Frisbee, R.H.
Copyright Year	1996
Description	Author affiliation: Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA (Das, R.S.L.)
Abstract	The power requirement of vehicles designed to transport cargo supporting a piloted expedition to Mars is in the range of megawatts. Therefore, it is imperative that the megawatt class power processing unit designed for high-power nuclear electric propulsion vehicles using turboalternators and advanced magnetoplasmadynamic (MPD) thrusters should be such that the overall system efficiency is as high as possible with minimum system specific mass. This paper examines the use of cryogenic power conditioning subsystems to achieve that goal since they have very high efficiency. In the past, cryogenic power conditioning have shown complexity of design and implementation and were costly and somewhat uncertain. With recent advances in materials, devices used in power conversion and cooling methods, further improvements in efficiency and specific mass are realizable. Cryogenically cooled MOSFETs and MCTs are considered for power conversion and two configurations have been examined. It is found that a system efficiency of 92.67% and specific mass of 9.99 kg/kW/sub e/ can be realized using MOSFET-based cryogenic power conditioning systems for electric propulsion spacecraft using MPD thrusters. With cryogenically cooled MCTs, the specific mass decreases to 9.77 kg/kW/sub e/, but the efficiency also decreases to 90.94%.
Starting Page	605
Ending Page	610
File Size	520115
Page Count	6
File Format	PDF
ISBN	0780335473
ISSN	10893547
DOI	10.1109/IECEC.1996.552962
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-08-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cryogenics Power conditioning Propulsion Power conversion Mars Process design Electric vehicles Cooling MOSFETs Space vehicles
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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