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Battel Engineering, Inc.
10020 North 58th Street
Scottsdale, AZ  85253
office: (480) 991-9747
fax: (480) 991-9748
email: bateng@earthlink.net

33. 50 kV Voltage Isolator for the SPICES Instrument

A unique invention for the SPICES instrument is shown in the picture where a conical thermally conductive voltage isolator was developed to support the floating internal instrumentation “bubble”. The isolator uses a special shield for the triple junction and was tested at 75,000 volts. Three isolators are used to both structurally support and suspend the SPICES bubble at +50,000 volts. A special feature of the isolator is that is also designed to be thermally conductive with each of the 3 isolators capable of conducting 5 watts of heat with a thermal drop of less than 10C. Thus, it is possible to operate the instrumentation bubble at 15 watts while floating at 50,000 volts.

 

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Image © Steve Battel, Battel Engineering, Inc. All rights reserved.