using tap transformers or tap changing inductors as final control devices

Full Title

Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems > Regulating voltage or current > wherein the variable is actually regulated by the final control device is AC > using tap transformers or tap changing inductors as final control devices

Classification Context

Section:

PHYSICS

Class:

CONTROLLING; REGULATING

Subclass:

SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES

Child Classifications

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• G05F 1/147 with motor driven tap switch
• G05F 1/16 combined with discharge tubes or semiconductor devices
• G05F 1/22 combined with separate magnetic control devices having a controllable degree of saturation