Alternating Current Power Supply Over- And Under-Voltage(CD4013) Circuit

Published:2011/7/23 6:24:00 Author:Sue | Keyword: Alternating Current, Power Supply, Over- And Under-Voltage | From:SeekIC

In China, the standard voltage of alternating current power supply is 220V, its maximum allowable deviation range is 180-240V. It the voltage is beyond the allowable range, it will harm the electrical equipment. CD4013 can compose a power supply over- and under-voltage detection circuit. When the power supply's voltage exceeds the range, the detection circuit will send outalarm signal which will warn the users to cut off the power supply or to take some protection measures, so that any losts can be avoided. The picture shows the over- and under-voltage detection circuit. It consists of power supply over- and under-voltage detection and sampling circuit, trigger control and display circuit.



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