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Stepless Variable Resistor for High Currents

 

作者: C. R. Yokley,   J. B. Shumaker,  

 

期刊: Review of Scientific Instruments  (AIP Available online 1961)
卷期: Volume 32, issue 1  

页码: 6-8

 

ISSN:0034-6748

 

年代: 1961

 

DOI:10.1063/1.1717150

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A variable‐area water rheostat has been applied to the problem of current control in electric arc and plasma generating equipment. Resistance between 0.5 and 30 ohms can be obtained by adjusting the height of circulating water which surrounds pairs of fixed vertical aluminum plates. The electrolyte is ordinary city water which is circulated through the tank and discharged. No special filtering, pumping, or other treatment is used. The unit is located in the open air outside the laboratory and all control functions are operated from a remote switching panel. The unit has been operated using a maximum of 125 amp at 400 v dc and 1000 amp at 230 v dc.

 

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