Related Experiment Video
Updated: Jun 13, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
Published on: February 14, 2025
Design and implementation of a universal converter for microgrid applications using approximate dynamic programming
K Suresh1, E Parimalasundar2, B Hemanth Kumar2
1Department of Electrical and Electronics Engineering, Christ Deemed to Be University, Bangalore, India.
This study presents a novel universal DC-DC and DC-AC converter for microgrids, designed with Approximate Dynamic Programming and Artificial Neural Networks (ADP-ANN). It efficiently handles battery and AC power, reducing component needs for versatile energy applications.
Area of Science:
- Electrical Engineering
- Power Electronics
- Artificial Intelligence
Background:
- Microgrids require versatile power conversion solutions.
- Existing converters often have component redundancy and limited operational modes.
- Efficient integration of diverse energy sources (battery, AC) is crucial.
Purpose of the Study:
- To introduce a novel universal DC-DC and DC-AC converter design.
- To enhance efficiency and reduce component count in microgrid power conversion.
- To leverage Approximate Dynamic Programming and Artificial Neural Networks (ADP-ANN) for optimal control.
Main Methods:
- Design of a universal converter utilizing identical terminals and switches for chopper and inverter functions.
- Implementation of Approximate Dynamic Programming and Artificial Neural Networks (ADP-ANN) for control.
- Development and testing of a 3000W prototype across five operational modes.
Main Results:
- The converter demonstrated efficient operation with both DC (battery) and AC inputs.
- Minimal switch usage and component redundancy were achieved.
- Experimental validation confirmed system robustness and adaptability in various microgrid scenarios.
Conclusions:
- The novel universal converter offers reduced complexity and increased efficiency for microgrids.
- ADP-ANN integration enables optimal performance and adaptability.
- Potential applications include microgrids, electric vehicles, and renewable energy systems.
Related Concept Videos
Fast Decoupled and DC Powerflow
The Power Flow Problem and Solution
Control of Power Flow
Generator Voltage Control
Multimachine Stability
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
Maximum Power Flow and Line Loadability

