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PV–Wind–Battery-Based DC Microgrid System Using MATLAB Simulink | Hybrid Renewable Energy Simulation

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📘 Description

This video presents the design and simulation of a hybrid PV–Wind–Battery DC Microgrid system in MATLAB Simulink. The model integrates solar photovoltaic (PV), wind energy conversion system (PMSG), and a battery energy storage system (BESS) through a common 400 V DC bus, ensuring stable and continuous power supply under varying weather conditions.

What You’ll Learn:

How to model PV, wind, and battery systems in a DC microgrid architecture

Implementation of P&O MPPT for both PV and wind subsystems

Bidirectional converter control for battery charging/discharging

PI-based DC bus voltage regulation (400 V)

Analysis of power flow, SOC behavior, and voltage stability

Key Simulation Results:
✅ PV power varies from 1 kW → 6 kW (irradiance-dependent)
✅ Wind generation changes from 2.5 kW → 6 kW (with wind speed)
✅ Battery automatically charges or discharges based on surplus/deficit
✅ DC bus voltage maintained at 400 V ± 2 %
✅ Stable 2 kW DC load supplied continuously

⚙️ Model Specifications
Parameter Specification
PV Array 8 S × 3 P = 6 kW (Vmp = 30.7 V, Imp = 8.15 A)
Wind System PMSG + Diode Rectifier + Boost Converter (6 kW)
Battery Li-ion 240 V, 40 Ah, Bidirectional DC–DC converter
DC Bus Voltage 400 V (regulated)
Load 2 kW DC resistive
MPPT Control Perturb & Observe (P&O) for PV and Wind
Converter Frequency 20 kHz (Boost & Bidirectional)
Controller PI control for DC bus regulation

🔑 Key Highlights

Hybrid Renewable Integration: Combines solar, wind, and battery sources on one DC link

Dynamic MPPT Operation: Extracts maximum power from both PV and wind under fluctuating inputs

Voltage Regulation: PI-controlled bidirectional converter stabilizes the DC bus at 400 V

Bidirectional Battery Operation: Automatically switches between charging and discharging modes

Continuous Power Flow: Maintains constant 2 kW load with minimal transients

Scalable Design: Ready for expansion or AC grid interconnection

🧠 Keywords

pv wind battery microgrid matlab, dc microgrid simulink, hybrid renewable energy system matlab, battery bidirectional converter, mppt p&o algorithm matlab, dc bus voltage regulation, wind pmsg simulation matlab, renewable energy integration, hybrid dc microgrid control, matlab simulink power electronics

🔖 Hashtags

#MATLAB #Simulink #Microgrid #RenewableEnergy #SolarPV #WindEnergy #BatteryStorage #MPPT #HybridSystem #PowerElectronics #EnergyManagement


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