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Development of a 1 kW, 200 C Mapham InventorElectronic systems and components are often exposed to high temperature environment in space-based applications, nuclear power facilities, and geothermal energy extraction fields. A key requirement for these systems is, therefore, to withstand the high temperature exposure while maintaining efficient and reliable operation. Efforts were taken to design and develop a high temperature power inverter capable of 200 C operation. A 1 kW, 20 kHz Mapham inverter was designed and evaluated as a function of temperature at different load levels. The inverter system, excluding its input, control, and logic circuits, was characterized at temperatures from ambient to 200 C at 0%, 50%, and 100% resistive loading. With an applied input voltage of 75 VDC, the inverter produced an output of 250 VAC. The results obtained, which indicate good operational characteristics of the inverter up to 200 C, are presented and discussed.
Document ID
19960007618
Document Type
Conference Paper
Authors
Hammoud, Ahmad (NYMA, Inc. Brook Park, OH., United States)
Gerber, Scott (NYMA, Inc. Brook Park, OH., United States)
Bauman, Eric (NASA Lewis Research Center Cleveland, OH, United States)
Overton, Eric (NASA Lewis Research Center Cleveland, OH, United States)
Myers, Ira (NASA Lewis Research Center Cleveland, OH, United States)
Bercaw, Robert (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2013
Publication Date
August 1, 1995
Subject Category
ELECTRONICS AND ELECTRICAL ENGINEERING
Report/Patent Number
E-9843
NASA-TM-107027
NAS 1.15:107027
Meeting Information
Power Conversion and Intelligent Motion/Power Quality 1995 Conference(Long Beach, CA)
Funding Number(s)
PROJECT: RTOP 233-01-0C
CONTRACT_GRANT: NAS3-27186
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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