voltage sag and swell improvement at the point of common coupling using a four quadrant converter
Our project is basically voltage sag and swell at a point of common couping its is a point where multiple loads and coutomers are connected. We use voltage and current sensor then compare with nominal value using the microcontroller which decide whether voltage sag occur or swell and convert them in
2025-06-28 16:36:41 - Adil Khan
voltage sag and swell improvement at the point of common coupling using a four quadrant converter
Project Area of Specialization RoboticsProject SummaryOur project is basically voltage sag and swell at a point of common couping its is a point where multiple loads and coutomers are connected. We use voltage and current sensor then compare with nominal value using the microcontroller which decide whether voltage sag occur or swell and convert them in d q using the clarke and park transformation which is then transfer to pwm . pwm control the switching of four quadrant converter and help us improve the voltage sag and swell .
Project Objectives- voltage sag and swell improvement using four quadrant converter to improve the power quality.
- implementation of our project helps to increase the life of our electrical equipment because it helps not to damage our equipment.
Voltage sag and swell management:
Firstly, we will induce the voltage sag or swell so that we will be able to work on our project. Vpcc is sensed by voltage sensor and Ipcc is sense by the current sensor . After sensing the voltage and current we will compare the Vpcc with the nominal voltage so that we know how much the voltage sag or swell appeared.
Converter control:
Reference current is converted into d and q axis using the clarke's transformation and park transformation. This is well proven method to convert into d and q axis.Firstly Clarke transform converts the time domain components of a three-phase system in abc frame to two components in an orthogonal stationary frame alpha and beta. The Park transform converts the two components alpha and beta in frame to a orthogonal rotating reference frame (dq). The current and Vpcc is passed to controller and it passes the data to Pulse width modulation(PWM).
PWM send the switching pulses to four quadrant converter which compensate sag and swell according to the requirement.
By increasing the kVA rating of the converter (10-15)percent and utilizing them for reactive operation, by making four quadrant converter can save us the cost of voltage regulation method.
When there is no active power requirement four quadrant converters can be only utilize for reactive power because it will work in any of four quadrants.
Integration of distributed energy resources like as electric vehicles, battery energy storage system and PV with power distribution grid is done by the converters
it is a software as well as hardware mostly work is done on software on matlab (simulink) and proteus then we will make our hardware on pcb which is connected with ossciloscope and it will show the final results of our project.
Final Deliverable of the Project HW/SW integrated systemType of Industry Energy Technologies Robotics, OthersSustainable Development Goals Responsible Consumption and ProductionRequired Resources| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Total in (Rs) | 31000 | |||
| batter | Equipment | 1 | 9000 | 9000 |
| voltage sensor | Equipment | 1 | 2500 | 2500 |
| pwm | Equipment | 1 | 3000 | 3000 |
| lcl filter | Equipment | 1 | 2000 | 2000 |
| microcontroller | Equipment | 1 | 2000 | 2000 |
| four quadrant converter | Equipment | 1 | 10000 | 10000 |
| current sensor | Equipment | 1 | 2500 | 2500 |