Voltage‐source converter‐high‐voltage direct current (VSC‐HVDC) systems have become
an attractive option for integrating remote and far‐from‐shore renewable energy resources …

MMC is a promising technology for MTDC systems and would transform into the concept of
Supergrids in the near future. The salient features of MMC are modularity, reduced dv/dt and …

This paper presents the development of sequence impedance models for modular multilevel
converters (MMC). The intended applications of the models include stability and resonance …

This article proposes an accurate dc-side impedance modeling method of modular
multilevel converter (MMC) and a control strategy for improving the stability of the dc system …

High-voltage direct current (HVDC) grids can be protected by HVDC circuit breakers (DCCB)
to selectively clear DC side faults and assure continuous operation of the healthy parts in the …

Modular multilevel converters (MMCs) have become the converter topology of choice for
voltage-source converter-high-voltage direct-current systems. Excellent work has previously …

The internal currents and voltages of modular multilevel converters (MMCs) contain multiple
frequency components in steady-state operation and remain time-periodic even when …

Abstract Multiterminal High-Voltage Direct Current (MT-HVDC) systems offer numerous
benefits compared to conventional alternating current (AC) power systems, including higher …

Due to the high integration of renewable energy, the power systems may become more
susceptible to unbalanced grid voltages, grid frequency disturbances, harmonic resonances …

The model of a modular multilevel converter (MMC) determines the extent of critical circuit
information that electromagnetic transient simulations can reveal. In this paper, two MMC …