[HTML][HTML] Improved comprehensive energy-based control for MMC-HVDC system

X Shi, R Yang, X Cai, Z Fang, P Dong, F Rao - International Journal of …, 2023 - Elsevier
The interconnection of two non-synchronous AC grids is one of the promising applications in
the modular multilevel converter (MMC) based high-voltage direct-current transmission …

[HTML][HTML] Loss optimization for bottom IGBTs of half-bridge submodules in a high-power hybrid modular multilevel converter

M Lu, W Han, Y Zhao, X Ma - International Journal of Electrical Power & …, 2024 - Elsevier
Power losses on the upper and bottom IGBTs in half-bridge submodules (HBSMs) are not
even when hybrid modular multilevel converters (MMCs) work as inverters, which results in …

Research on space vector overmodulation technology of two-level PWM converters

J Zhou, S Li, J Zhang, T Fang, X Zhang - Energies, 2022 - mdpi.com
In this paper, the characteristics of the voltage transfer ratio (VTR) and low-order harmonics
of the major modern space vector overmodulation strategies for two-level PWM converters …

[HTML][HTML] Determination of modular multilevel converters admittances and their impacts on HVDC power system stability

D del Giudice, F Bizzarri, D Linaro… - International Journal of …, 2024 - Elsevier
This paper deals with the determination of the complex admittances and trans-admittances
of power converters in general and in particular of two modular multilevel converters (mmc s) …

Enhancing Fault Detection and Classification in MMC‐HVDC Systems: Integrating Harris Hawks Optimization Algorithm with Machine Learning Methods

O Hazim Hameed Hameed, U Kutbay… - … on Electrical Energy …, 2024 - Wiley Online Library
Accurate fault detection in high‐voltage direct current (HVDC) transmission lines plays a
pivotal role in enhancing operational efficiency, reducing costs, and ensuring grid reliability …

A Reliable Scheme for Full-range of Reduced Dc-link Voltage Operation of Hybrid MMC with Zero Voltage Ride Through

D Samajdar, T Bhattacharya - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
A hybrid modular multilevel converter can tolerate dc short-circuit faults and also operate
with lower dc-link voltage under polluted insulator conditions due to harsh atmospheric …