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Mains undervoltage and overvoltage protection circuit 5

Source: InternetPublisher:两手空空 Keywords: Protection circuit overvoltage protection BSP light-emitting diode Updated: 2020/02/25

88. Mains undervoltage and overvoltage<strong>Protection circuit</strong>Part 5.gif

 

Using bidirectional thyristor control.
    Adjust the potentiometers RPi and RPz to change the lower limit and upper limit setting values. The light-emitting diodes VLi and VL2
indicate undervoltage and overvoltage respectively.

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