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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