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To develop an energy balance control for multilevel converters to optimize power performance, especially at low speeds with high torque.

July 5, 2026Open Access

ADMM-Based Long-Horizon Model Predictive Energy Control of Modular Multilevel Converters for High-Power Variable-Speed Drives

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To develop an energy balance control for multilevel converters to optimize power performance, especially at low speeds with high torque.
Utilized Alternating Direction Method of Multipliers (ADMM) for convex optimization of energy variables.
Generated circulating current references for controlling internal variables and energy balance.
Tested effectiveness through experimental maneuvers on a drive prototype under various operating conditions.
Achieved improved energy efficiency during low-speed, high-torque operations.
Validated control strategy demonstrated significant reductions in voltage oscillations and enhanced converter component protection.
Results showed guaranteed convergence in optimization, confirming the effectiveness of the control approach.

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Randomized trial evaluates energy control in modular converters for high-power drives, suggesting efficiency enhancements.

Sebastian Alberto Rivero Albornoz (2026) studied this question.

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