Regulator, power Regulator, is a power control electrical appliance based ON thyristor (power electronic power device) and intelligent digital control circuit as the core.
Regulator (automatic control), a device that maintains a designated characteristic, as in:
Regulator (sewer), a control device used in a combined sewer system
Regulator, a device in mechanical watches attached to the balance spring for adjusting the rate of the balance wheel
Regulator precision pendulum clock, originally used as a time-standard for adjusting or regulating other clocks and watches
Regulator, the throttle of a steam engine
Regulator, a component of Uilleann pipes, a form of bagpipes