The main aim of this project is to design a tripping system which helps the mains from damage due to over loading. Also, development of automation system for residential electricity cut off using network based embedded controller. Nowadays, various type of device for home residential electricity works dependently on human to control signals to reset the state of input. Based on this situation, it becomes an extrinsic motivation to develop an automated system for residential electricity device. The system consists of an embedded device to control power supply main switch and automatically Cut-off services. The system helps the electricity provider to reduce the operation cost as the system could cut off electricity automatically when the usage limit is exceeded.   Now a day's every system is automated in order to face new challenges. In the present days Automated systems have less manual operations, flexibility, reliability and accurate. Due to this demand every field prefers automated control systems. Especially in the field of electronics automated systems are giving good performance. The project itself indicates that a fixed wattage is set for the homes. That means at that particular time duration the operation will be in either ‘ON’ or ‘OFF’ condition. That time delay will be different for every area. The ON/OFF condition will also be decided in the program. And also that delay will be setting through the program. Here we can program the delays for the areas as per our requirement. Status of that particular device will be displayed on the LCD.      

Features:  

1. Microcontroller based system for continuous load monitoring.
2. Automated tripping system in case of over load.
3. Low cost and efficient device construction.

           

The major building blocks of this project are:  

1. Regulated Power Supply
2. PIC Microcontroller.
3. Relay with driver.
4. Crystal
5. Reset Button.
6. Energy meter.
7. LED indicators.
8. LCD display.

       

Software’s used:  

• PIC-C compiler for Embedded C programming.
• PIC kit 2 programmer for dumping code into Micro controller.
• Express SCH for Circuit design.

       

Regulated Power Supply:

             

Block Diagram:            

video: