@article{gillani_majeed_billah_haque_pantic_husain_2024, title={Design of a Modular Marine DC Microgrid Testbed with Controller-Hardware-in-the-Loop (CHIL) for Real-Time Evaluation}, volume={8}, DOI={10.1109/ICDCM60322.2024.10664933}, abstractNote={Integration of renewable sources enables economical and sustainable energy availability to coastal and remote communities. Different power electronics converters deliver electric power from renewable sources to the local communities. A Multi-Port Converter (MPC) is utilized to allow energy flow between subsystems in a controlled, efficient, and safe manner. This paper proposes the incorporation of multiple MPCs in a modular manner to allow extensive integration of renewable sources, loads, and energy sources. A DC microgrid testbed is developed to evaluate the performance of two proposed MPCs. The individual converters of each MPC are initially designed and developed in a Simulink/PLECS simulation environment. The average model of designed converters is further tested in Typhoon real-time simulator with Controller Hardware In Loop (CHIL) mode for high fidelity converter operation. The individual converters are integrated into their respective MPCs and operated in close-loop control through MPC control algorithms. Eventually, a plant control algorithm is designed to control the proposed DC microgrid testbed. Typhoon real-time CHIL simulation results are provided to validate the operation of each converter and the whole microgrid in the testbed.}, author={Gillani, Syed Muhammad Hassan and Majeed, Hatif Bin Abdul and Billah, Al Raji and Haque, Amiya and Pantic, Zeljko and Husain, Iqbal}, year={2024}, month={Aug} }
 @article{majeed_pantic_2024, title={Stability Analysis of a Droop-Controlled DC Microgrid}, DOI={10.1109/ICDCM60322.2024.10664831}, abstractNote={Stable operation is a primary performance metric that a DC microgrid system should satisfy. This paper presents a comprehensive stability analysis for a two-converter system attached to a Constant Power Load (CPL) under droop control. The study establishes the stability criteria and calculates the minimum capacitance required for the stable operation of the system. The study considers the virtual inertia incorporated via a low-pass filter (LPF) to avoid sudden voltage fluctuations in the analysis. It is concluded that an optimum value of virtual inertia can reduce the required capacitance for stable operation. Additionally, the paper derives a relation providing the maximum power transfer limit for given system parameters and the effect of virtual inertia on this limit. The results are verified by simulation in MATLAB/Simulink. These findings have practical implications for designing and operating DC microgrid systems, particularly for optimizing virtual inertia for maximum power transfer while ensuring system stability.}, author={Majeed, Hatif Bin Abdul and Pantic, Zeljko}, year={2024}, month={Aug} }