188691 ⎘
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 actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
IOT-BASED AUTOMATED VOLTAGE CONTROLLER SYSTEM FOR MOTOR OPERATED THREE-PHASE AUTOTRANSFORMER
#2WIND TURBINE TRANSFORMER CONTROL
#3Current control apparatus
#4Electrical network configured to magnetically couple to a winding and to control magnetic saturation in a magnetic core
#5Power electronic tap changer module for transformer
#6Flexible voltage transformation system
#7Arcless Tap Changer Using Gated Semiconductor Devices
#8Method of operating on-load tap changer
#9Load tap changer
#10DEVICE AND METHOD FOR THE PROCESS-BASED POWER CONTROL OF AN ELECTRIC ARC FURNACE
#11TAP CHANGER
#12Phase-fired control arrangement and method
#13Device for regulating electrical voltage
#14Useful improvements in the art of 3-phase electronic tap changer commutation device
#15Method and device for regulating electric voltage