Development of a 1000V, 200A Active Front-End Rectifier

for Battery Energy Storage Systems

The Active Front-End (AFE) converter is used as a grid inverter in microgrids with Battery Energy Storage Systems (BESS) and solar power plants. This project focused on the development and optimization of a 1000V, 200A AFE converter.

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Work Performed:

• Development of a control system for grid-forming and grid-following operation

• Electrical engineering and system design

• Modeling and simulation for parameter optimization

• Validation of system performance under different operating conditions

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Modeling Objectives:

• Determination of power circuit component parameters (AC filter design, inverter component selection)

• Analysis of harmonic distortion in AC filter current

• Optimization of the control system architecture for the target application

• Tuning of control system regulators to meet performance criteria

• Validation in rectifier and inverter operating modes

• Assessment of system behavior under overload conditions

• Verification of reactive power control capabilities

• Comprehensive performance analysis and reporting

Success Criteria:

• Compliance with specified operating modes

• Adherence to grid harmonic requirements

• Optimization and minimization of power circuit component parameters

Simulation Outcome:
The simulation results provided detailed recommendations on circuit element parameters, control system settings, and overall system performance.