Browsing by Author "Ayesha Ali, Assistant Profesor"

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    PLC Based IOT Controlled Electric Protection System
    (COMSATS University Islamabad, Lahore Campus Library Information Services, CUI Lahore, 2018) M. Fahad Saeed , Zain Ahmad Javed , Laraib Ali,; FA15-EEE-002 , FA15-EEE-028 , FA15-EEE-040; Ayesha Ali, Assistant Profesor; LHR TP 5865
    PLC based IOT controlled Electric Protection System is based on a circuit breaker that can only be remotely controlled by the lineman himself, designed to provide security to the maintenance staff and households while repairing the electrical lines. When operated manually we see fatal electrical accidents to the linemen is increasing during the electric line repairing due to lack of communication and coordination between the maintenance staff and electric substation staff. In order to avoid such accidents, the circuit breaker can be designed such that only authorized person can operate it with the help of password based IOT application. By using it operator can control the circuit breaker while he is away from the workstation and keypad is used to enter the password to control it when the operator is in the workstation. A relay is used to open or close the circuit breaker. Any wrong attempt to open the breaker an alert will be displayed on the mobile screen through the application and display the status on the HMI. Furthermore, the system will detect faults, maintain a profile of the connection and provide alarms to linemen if the connection is running on above 70 percent of the prescribed load.