- The purpose of this project is to acquire the remote electrical parameters like voltage, current and frequency and send these real time values over gsm network
Sub station monitoring and controlling using GSM
- The purpose of this project is to acquire the remote electrical parameters like voltage, current and frequency and send these real time values over gsm network using gsm modem/phone along with temperature at power station. This project is also designed to protect the electrical circuitry by operating an spdt relay. This relay gets activated whenever the electrical parameters exceed the predefined values. The relay can be used to switch off the main electrical supply. User can send commands in the form of sms messages to read the remote electrical parameters. This system also can automatically send the real time electrical parameters periodically (based on time settings) in the form of sms. This system can be designed to send sms alerts whenever the relay trips or whenever the voltage or current exceeds the predefined limits. This project makes use of a microcontroller. The controller can efficiently communicate with the different sensors being used. The controller is provided with some internal memory to hold the code. This memory is used to dump some set of assembly instructions into the controller. And the functioning of the controller is dependent on these assembly instructions. The controller is programmed using embedded c language.
In our project first we will design a complete structure of the whole project. Four different circuits will be designed to measure the four electric parameters. The four circuits will be connected to a common microcontroller. This microcontroller is programed with c language and limits for all the parameters are set. The microcontroller will contineously sent the real time values of the electric parameters and display on LCD screen , which is connected to the microcontroller.
In case of any contraint the microcontroller will sent message to the operator ( wireless) mobile phone which will give command to the microcontroller that what action shoul be taken.
1. Efficient and low cost design.
2. Low power consumption.
3. Real time monitoring.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Microcontroller | Equipment | 1 | 5000 | 5000 |
| GSM module | Equipment | 1 | 4500 | 4500 |
| LCD display | Equipment | 1 | 2500 | 2500 |
| ACS712 sensor | Equipment | 3 | 500 | 1500 |
| LM35 sensor | Equipment | 3 | 350 | 1050 |
| Transformer | Equipment | 3 | 500 | 1500 |
| Channel relay module | Equipment | 1 | 2500 | 2500 |
| Arduino compiler | Equipment | 1 | 3000 | 3000 |
| Total in (Rs) | 21550 |
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