The modular multilevel converter (MMC) has been a subject of increasing importance for
medium/high-power energy conversion systems. Over the past few years, significant …

With wide-spread application of power electronic converters in high power systems, there
has been a growing interest in system reliability analysis and fault-tolerant capabilities. This …

Modular multilevel converters have several attractive features such as a modular structure,
the capability of transformer-less operation, easy scalability in terms of voltage and current …

The change rate of the dc reactor voltage with predefined protection voltage thresholds is
proposed to provide fast and accurate dc fault detection in a meshed multiterminal HVDC …

模块组合多电平变换器(modular multilevel converter, MMC) 具有高度模块化, 易于扩展,
输出电压波形好等特点, 尤其适用于中高压大功率系统应用. 首先介绍MMC …

The modular multilevel converter (MMC) has become the most promising converter
technology for high-voltage direct current (HVDC) transmission systems. However, similar to …

In this paper, a simplified nearest level control balancing method for modular multilevel
converter is presented. The proposed method neither requires individual sorting of the …

Inverters play key roles in motor drives, flexible power transmissions, and recently grid-tied
renewable energy generation units. Therefore, availability and reliability of inverters have …

The modular multilevel converter (MMC) is distinguished by its modularity that is the use of
standardized submodules (SMs). To enhance reliability and avoid unscheduled …

DC fault protection is one challenge impeding the development of multiterminal dc grids.
The absence of manufacturing and operational standards has led to many point-to-point …