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# Solar PV Grid Based EV Charging Station in MATLAB

Solar PV Grid Based EV Charging Station in MATLAB

Introduction:

Welcome to LM Solution! In this simulation model walkthrough, we will explore the development of a solar photovoltaic (PV) grid-based EV (Electric Vehicle) charging station using MATLAB. This simulation model integrates various sectors, including power, control, and measurement, to showcase the functionality of a solar-powered charging station.

Simulation Model Overview:

The simulation model comprises three main sectors:

1. Power Sector:

• PV System:Â The solar PV array generates power under varying irradiation conditions.

• EV Battery System:Â An Electric Vehicle (EV) battery is charged using the generated solar power.

• Grid System:Â The grid provides additional power to the EV battery if needed.

1. Control System Sector:

• Different control logics are implemented for the PV system, EV battery system, and grid inverter system.

1. Measurement Sector:

• Parameters such as PV power, battery voltage/current/power, grid voltage/current/power, and overall power are measured.

## Key Components and Specifications:

### 1. Solar PV System:

• PV Array Rating: 2000 Watts

• Configuration: Multiple panels in parallel and series

• PV Panel Specifications: 250 Watts, operating around 245-246 volts

### 2. EV Battery System:

• Battery Rating: 240 volts, 40 Ah

• Initial State of Charge: 50%

• Bidirectional Converter for Charging: Designed for 2000 Watts

### 3. Grid System:

• Grid Voltage: 230 volts, 50 Hz

• Single-Phase Converter connected to DC Bus via L-Filter

### 4. Control Logic:

• PV System Control: Incremental Conductance MPPT (Maximum Power Point Tracking)

• EV Battery System Control: Voltage control method

• Grid Inverter System Control: Current control method

### 5. Simulation Results:

The simulation results demonstrate the system's behavior under changing irradiation conditions. The PV power extraction varies accordingly, influencing the grid power supply to charge the EV battery.

## Conclusion:

This simulation provides insights into the operation of a solar PV grid-based EV charging station. The control logics ensure efficient power extraction from the PV array, optimal charging of the EV battery, and grid power utilization when necessary.