PROGRESS REPORT WEEK 10

Title: Block Diagram

Objectives :

  • To illustrate the overall system of the Project
  • To show how the working principle of the project
Content : During researching about my project, i have come out with this block diagram

Block Diagram Undervoltage and Overcurrent Protective Device
Input:
  • AC Input: The protection device will get power from this input
  • Power Supply: In this level, the input from AC input will be step down using step down transformer in order to suit with voltage range in the electronic device. This block included rectifier circuit
Process
  • Current Sensor: The main component in order to provide protection against overcurrent fault
  • Preset Voltage: The voltage set to suit with the equipment
Output
  • Relay: The relay is as SPDT Relay which activated by the IC7408 via transistor, makes under normal mains supply voltage and brakes under abnormal mains supply voltage.

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