Load Protection using PLC with SCADA Interface
Overvoltage and undervoltage are quality problems, they happen due to many reasons. The effects of overvoltage and undervoltage can be severe and can cause insulation failure in case of overvoltage and overheating and burning of motors coils in case of undervoltage. To solve the problem a tr
Project Title
Load Protection using PLC with SCADA Interface
Project Area of Specialization
Project Summary
Overvoltage and undervoltage are quality problems, they happen due to many reasons. The effects of overvoltage and undervoltage can be severe and can cause insulation failure in case of overvoltage and overheating and burning of motors coils in case of undervoltage.
To solve the problem a tripping mechanism is designed to disconnect the load when subjected to overvoltage, undervoltage. The design is first simulated in a virtual environment using a simulation program, and then a hardware design is made according to the simulated circuit. . The circuits responded effectively to voltage variations whether it’s under or over voltage in case of single phase circuit, The SCADA(Supervisory Control and Data Acquisition) shows the operation status of the system whether it is operating normally or under faulted condition.
Project Objectives
To develop a tripping mechanism to protect the load from over voltage and under voltage in general.
To provide protection to equipments and avoid their failure due to abnormal conditions.
This system provides protection for industrial,commercial and residential equipments.
Project Implementation Method
Circuit simulation program is used to test the equipments to be used in a virtual environment; the program is Proteus 8 Professional.
Then a simple single phase prototype is built to stimulate the results in real time environment.
Benefits of the Project
Increased accuracy of the volatge sensing devices.
Very well developed for the industrial based systems.
Tripping mechanism will save the other devices from turning off hence inturepting the output product.
Can be altered for both single phase and three phase systems.
Better mapping of the appliances.
View is clear and will show wherre the error occurs.
Technical Details of Final Deliverable
The device will protect the appliances from over voltage, undervoltage and short circuit. Ultimately saving the appliances from damage.
Following are the components used:
PLC S7 200
ADC
Transformer
Relay
Potentiometer
Final Deliverable of the Project
Core Industry
Other Industries
Core Technology
Other Technologies
Sustainable Development Goals
Required Resources
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| PLC S7 200 | Equipment | 1 | 25000 | 25000 |
| ADC | Equipment | 1 | 5000 | 5000 |
| Transformer | Equipment | 3 | 10000 | 30000 |
| Relay | Equipment | 2 | 1000 | 2000 |
| Potentiometer | Equipment | 2 | 500 | 1000 |
| Delivering of components | Miscellaneous | 1 | 4000 | 4000 |
| Total in (Rs) | 67000 |
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