Servo Controlled Voltages Stabilizer with Sensor Unit is a closed loop control system containing an A.C motor. Deepak Instruments supplies Servo Controlled Voltages Stabilizer with Sensor Unit. Deepak Instruments offers diverse types of power supplies, uninterruptible [ups], telephones, elevator emergency, transducers, phase angle/power factor, transformers, control, transformers, ferrite, transformers, high voltage, transformers, isolation, transformers, line driver, transformers etc. Servo Controlled Voltages Stabilizer with Sensor Unit employs a motor driven variable s feeding the primary winding of a buck boost transformer, the secondary of which is connected in series between the supply and the load, so as to inject an aiding or opposing correcting voltage in to the supply line.