Magnetic amplifier apparatus for balancing or limiting voltages
Method and a device for controlling a secondary voltage in a...
Method and apparatus for automatic voltage reduction control
Method and apparatus for determining voltage regulator tap...
Method and apparatus for regulating voltage
Method and device for continuous adjustment and regulation of tr
Method and means for controlling the flux density in the core of
Method for operating a transformer from a drivable voltage...
Method of automatically changing upper, balanced and lower volta
Method of monitoring a tap changer
Microcontroller-based tap changer controller employing half-wave
Microprocessor controlled voltage regulating transformer
Monolithic interface circuit for linear variable differential tr
Multi-phase buck converter with a plurality of coupled...
Multifunction adaptive controls for tapswitches and capacitors
Multipoint switch