Generally fuse or mcb is used for overvoltage protection however in this project our aim is to make a circuit which can perform better than a fuse or mcb and overcome the.
Over under voltage protection circuit diagram.
This voltage sensor circuit can be used to protects any appliance to voltage fluctuation.
Over voltage and under voltage protection circuit for high and low voltage cutoff.
This is because of the high potential.
When the input voltage goes high then the relay will be activated and also when the input voltage is below then required level then relay activated.
Over voltage protection using timers circuit operation.
The under voltage and the overvoltage protection circuit is a circuit which protects you from the higher voltages and the lower voltages conditions.
For the lower voltage you can see some flickers in the lights and for the higher voltage one the circuit will be fully damaged.
Short circuit protection reverse polarity protection and over under voltage protection are some of the protection circuits that are used to protect any electronic appliance or circuit from any sudden mishappenings.
When voltage drop down to 180 volts this voltage as above will entered to diode rectifiers d1 d4.
Protection circuits like reverse polarity protection short circuit protection and over under voltage protection are used to protect any electronic appliance or circuit from any sudden mis happening generally fuse or mcb is used for overvoltage protection here in this circuit we will build an overvoltage protection circuit without using fuse.
Both the timers are configured to work as comparators i e as long as the input present at the pin2 of timer is less positive than 1 3 vcc then the.