Performance Enhancement of Shunt Active Power Filter Using Proportional-Resonant Controller by Designing and Optimizing Output Filter Parameters
Budget: ₹1,500 – ₹12,500 INR
Work:
1. System Modeling in MATLAB/Simulink
Develop a three-phase grid-connected Shunt Active Power Filter system with nonlinear load.
Include Voltage Source Inverter (VSI), DC-link capacitor, and an LCL output filter.
Implement a Proportional-Resonant controller for current tracking.
Design the reference current generation block based on standard harmonic detection techniques.
2. Filter Design and Optimization
Design the LCL filter with appropriate values of:
Filter inductor (Lf)
Grid inductor (Lg)
Filter capacitor (Cf)
Optional damping resistor (Rg)
Optimize the filter parameters to:
Minimize THD
Reduce current and voltage ripple
Ensure filter resonance is away from operating frequency
You may use any suitable optimization method that gives valid results.
3. Required Simulation Results
Time-domain waveforms:
Grid voltage & current
Load current
SAPF injected current
DC-link voltage
Frequency-domain (FFT) analysis of grid current before and after compensation.
Plots showing THD comparison and system stability.
Filter performance plots before and after optimization.
Transient response under:
Load changes
Voltage unbalance
Parameter variation (e.g., ±20% in inductance)
Deliverables
Complete Simulink model files (.slx)
MATLAB code scripts (.m) if used for optimization or signal processing
High-quality result plots (PNG or PDF format)
A brief summary document (Word or PPT) that includes:
System description
Filter design logic
Controller setup
Before/after results
Observations and conclusion
performance improvement of complete system in terms of THD and other parameters
1. System Modeling in MATLAB/Simulink
Develop a three-phase grid-connected Shunt Active Power Filter system with nonlinear load.
Include Voltage Source Inverter (VSI), DC-link capacitor, and an LCL output filter.
Implement a Proportional-Resonant controller for current tracking.
Design the reference current generation block based on standard harmonic detection techniques.
2. Filter Design and Optimization
Design the LCL filter with appropriate values of:
Filter inductor (Lf)
Grid inductor (Lg)
Filter capacitor (Cf)
Optional damping resistor (Rg)
Optimize the filter parameters to:
Minimize THD
Reduce current and voltage ripple
Ensure filter resonance is away from operating frequency
You may use any suitable optimization method that gives valid results.
3. Required Simulation Results
Time-domain waveforms:
Grid voltage & current
Load current
SAPF injected current
DC-link voltage
Frequency-domain (FFT) analysis of grid current before and after compensation.
Plots showing THD comparison and system stability.
Filter performance plots before and after optimization.
Transient response under:
Load changes
Voltage unbalance
Parameter variation (e.g., ±20% in inductance)
Deliverables
Complete Simulink model files (.slx)
MATLAB code scripts (.m) if used for optimization or signal processing
High-quality result plots (PNG or PDF format)
A brief summary document (Word or PPT) that includes:
System description
Filter design logic
Controller setup
Before/after results
Observations and conclusion
performance improvement of complete system in terms of THD and other parameters