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PASSWORD BASED CIRCUIT BREAKER CONTROL TO ENSURE ELECTRIC LI

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by

varun sai

on 7 March 2015

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Transcript of PASSWORD BASED CIRCUIT BREAKER CONTROL TO ENSURE ELECTRIC LI

PASSWORD BASED CIRCUIT BREAKER

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.
Circuit breaker
This project is designed to control a circuit breaker with help of a password .
This proposed system provides a solution, which can ensure the safety of the maintenance staff.
EXAMPLE: Line man
The control to turn ON/OFF the line lies with the line man only
This project is designed to control a circuit breaker with help of a
password
.
This proposed system provides a solution, which can ensure the safety of the maintenance staff.
EXAMPLE:
Line man
The control to turn ON/OFF the line lies with the line man only
Principle and operation of Circuit Breaker:
Block Diagram of Password Based Circuit Breaker
Hardware requirements
Operation:
Initially declare the PORT1 to LCD data pins and control pins to P3.5, P3.6 and P3.7 and declare PORT2 to keypad. And use P3.0, P3.1 to loads.
Initially display enter password on LCD.
Now read the five digit password from the user.
Compare the entered password with stored password.
If correct then ON or OFF the particular load and display line or load status on LCD.
If the password is wrong then display PWD IS WRONG on LCD.
After some delay again ask to enter password
Avoids electrical accidents to line man
Project is simple and easy
Uses commonly available components
ADVANTAGES
Used in electrical substations to ensure line man safety
This system is used in buildings and houses
Used in HOTELS and shopping malls to save the power.
APPLICATIONS

Initially declare the PORT1 to LCD data pins and control pins to P3.5, P3.6 and P3.7 and declare PORT2 to keypad. And use P3.0, P3.1 to loads.

Initially display enter password on LCD.

Now read the five digit password from the user.

Compare the entered password with stored password.

If correct then ON or OFF the particular load and display line or load status on LCD.

If the password is wrong then display PWD IS WRONG on LCD.
After some delay again ask to enter password
AT89C51 MICRO CONTROLLER
RELAYS
THANK YOU
Full transcript