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liquid rheostat

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liquid rheostat [′lik·wəd ′rē·ə‚stat]
(electronics)
A variable-resistance type of voltage regulator in which the variable-resistance element is liquid, usually water; carbon electrodes are raised or lowered in the liquid to change resistance ratings and control voltage flow.
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is offering the SPR (slip power recovery) drive as an alternative to liquid rheostat models used in auto shredder systems.
Quad plus offers SPR shredder drive by Recycling Today
Speed control is provided by two liquid rheostats (adjustable resistors with separable electrodes in a water/sodium-carbonate electrolyte).
Pushing air: Re-motoring transonic and supersonic wind tunnels by Mandel, Richard / Designfax
Some operators have also discovered disadvantages to AC motors: * High inrush with load causing lights to flicker in the neighborhood from high demand charges; * Long lead times * Motor brush maintenance; and * Liquid rheostat maintenance and cooling water requirements.
Shredder switch: a number of shredder operators are switching from ... by Crosetto, Joseph / Recycling Today
 
 
 
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