Voltage regulator is a device to stabilize the output voltage. The regulator is composed of constant voltage, control circuit and servo motor. When the input voltage or load changes, the control circuit samples, compares and amplifies, then drives the servo motor to rotate, so that the position of the regulator carbon brush can be changed. By automatically adjusting the coil turn ratio, the output voltage can be maintained stable.

    Introduction to the Function of Voltage Regulator

    Voltage regulator is a power supply circuit or equipment which can automatically adjust the output voltage. Its function is to stabilize the power supply voltage which fluctuates greatly and can not meet the requirements of electrical equipment within its set range, so that all kinds of circuits or electrical equipment can work normally under rated working voltage.

    The original power regulator relied on the beat of the relay to stabilize the voltage. When the grid voltage fluctuates, the automatic correcting circuit of the power regulator starts to make the internal relay operate. Force the output voltage to remain near the set value. This circuit has the advantages of simple circuit, but the disadvantage is that the voltage stabilization accuracy is not high and every relay switching will cause a transient interruption of the power supply and spark interference.

    It interferes greatly with the reading and writing of computer equipment, and is easy to cause erroneous signals on the computer, and even damages the hard disk in serious cases.

    High-quality small regulators mostly use motor to drag carbon brush to stabilize voltage. This regulator has little interference to electrical equipment and relatively high stabilization accuracy.