Generators are needed almost everywhere because of its better performance and portability. Due to the break/cut off of the grid power supply, for various reasons like faults or blackouts, industries and institutions face problems like discontinuity in the flow of work, loss of data and damaging equi
Control and monitoring system design for single phase AC generator
Generators are needed almost everywhere because of its better performance and portability. Due to the break/cut off of the grid power supply, for various reasons like faults or blackouts, industries and institutions face problems like discontinuity in the flow of work, loss of data and damaging equipment. Simple designed generators provide electric power in such emergency cases of power break that may result in loss of capital and time. These generators as emergency power suppliers are needed to be checked properly and maintained periodically. This is necessary to have efficient use of the generators and save it from damaging. There are various parameters of generators that are to be checked regularly. It may face the problem of fuel leveling, temperature leveling, over/under voltage conditions or may require certain repairing. In this project we are installing various sensors and we are using driver circuit for each sensor. Our sensors will be connected to our smart system that will have access to smartphone through mobile application. Temperature sensor will help to detect the body temperature of generator. Fuel sensor will help in determining the level of the fuel as well the other sensors used will help to completely gather the monitoring data from the generator. This data will be monitored through the android app. Generator will be able to sustain voltage. And also we could control load using the app.
Overall system’s design is split into two parts:
The system will work in flowing manner:
Algorithm will be able to analyse the data, and the resulting information is delivered to the user. The system will be able to;
Maintenance
Oil change in generators are big problems, the operator doesn’t know when to renew the oil of the generator. Therefore, we proposed a scheduling algorithm which will suggest to change the oil.
The steps of the algorithm are as follows.
Step 1`:
Define threshold time for changing oil in hours
Step 2:
Convert Hours in to Seconds
Step 3: Condition if Counting Seconds reached the threshold notify
Step 4: If oil changed jump to Step 1 Else Step 5
Step 5: After quarter day if the oil is not changed warn of damage
If oil is changed move to Step 1 Else
Step 6: After a day if the oil is not changed shut down the generator
Else Move to Step 1.
Load Control
The generator will have the ability to control the load. Semi- automation algorithm. If the load of the generator is moved from is threshold the user will be notified to turn off the load through a user application. If the user didn’t take action the app will automatically shut down the load to equate with generator.
Workflow of system is completed in following steps:
Sensors are connected to Arduino along with NodMcu Wifi module to sense the data and pass it to the cloud namely Firebase. The Firebase is the Bridge between Arduino and Android Application. The Android Application Receive the data from Firebase Send by the Arduino to Firebase and vice versa.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| AC current sensor | Equipment | 1 | 350 | 350 |
| soldering iron | Miscellaneous | 1 | 850 | 850 |
| NODmcu WiFi ESP8266 | Equipment | 1 | 600 | 600 |
| PCB pin connector | Equipment | 12 | 20 | 240 |
| current wire | Equipment | 8 | 100 | 800 |
| Temprature sensor | Equipment | 1 | 300 | 300 |
| soldering stand | Miscellaneous | 1 | 350 | 350 |
| AC voltage sensor | Equipment | 1 | 350 | 350 |
| Arduino nano | Equipment | 1 | 1250 | 1250 |
| veroboard | Equipment | 4 | 100 | 400 |
| Power bank | Miscellaneous | 1 | 3500 | 3500 |
| soldering wire | Miscellaneous | 1 | 4800 | 4800 |
| 1.3inch display module | Equipment | 1 | 1000 | 1000 |
| solder flux paste | Miscellaneous | 1 | 480 | 480 |
| jumper wire | Equipment | 5 | 500 | 2500 |
| 4KW generator | Equipment | 1 | 40000 | 40000 |
| fuel sensor | Equipment | 1 | 12050 | 12050 |
| Total in (Rs) | 69820 |
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