Voltage stabilizers regulate the fluctuating input voltage before it could be fed to the load (or equipment which is sensitive to voltage variations). Some of these equipments are air conditioners, offset printing machines, laboratory equipments, industrial machines, and medical apparatus. Voltage stabilizers are preferred for costly and precious electrical equipments to protect them from harmful low/high voltage fluctuations. It is also called as automatic voltage regulator (AVR). It protects the equipment or machine against over voltage, under voltage, and other voltage surges. It is an electrical appliance which is designed to deliver a constant voltage to a load at its output terminals regardless of the changes in the input or incoming supply voltage. Nowadays, stabilizers became an optimized power solution to many electronic appliances that are sensitive to voltage fluctuations and they have found working with many devices such as CNC machines, air conditioners, television sets, medical equipment, computers, telecommunication equipments, and so on. This also led to make the trip timing or responsiveness of the stabilizers to a very less rate, typically less than a few milliseconds, in addition this can be adjusted with variable setting. The embedding of microprocessor chip technology and power electronic devices in the design of intelligent AC voltage stabilizers (or automatic voltage regulators (AVR)) led to produce high-quality, stable electric power supply in the event of significant and continuous deviation of mains voltage.Īs advancement to the conventional relay type voltage stabilizers, modern innovative stabilizers use high performance digital control circuits and solid state control circuitry that eliminates potentiometer adjustments and allows the user to set voltage requirements through a keypad, with output start and stop facility. How to Choose a Correct Sized Voltage Stabilizer?. Difference between Voltage Stabilizer and Voltage Regulator.
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