rheostatic control

rheostatic control

[¦rē·ə¦stad·ik kən′trōl]
(electricity)
A method of controlling the speed of electric motors that involves varying the resistance or reactance in the armature or field circuit; used in motors that drive elevators.
References in periodicals archive ?
The RheoSwitch system features tight regulation, rheostatic control, and an expression range up to levels equivalent to the strongest viral promoters.