The high penetration of renewables has sparked new oscillatory concerns in hybrid AC/DC
grids. Knowledge of the oscillation regarding its source and propagation mechanism, is …

With an increasing number of renewable energy resources being integrated into the power
system through power electronics, conventional power plants based on large synchronous …

The current-limiting inductors (CLIs) are commonly used to suppress DC fault current to
safely trip DC circuit breakers in MMC-HVDC systems, but it significantly jeopardizes DC …

The paper addresses an improved inner current reference calculation to be employed in the
control of modular multilevel converters operating during either balanced or unbalanced …

This article presents a frequency-adaptive energy control strategy for a modular multilevel
converter (MMC), which is suitable for grid-forming operation under unbalanced conditions …

The paper addresses an optimization-based reference calculation method for Modular
Multilevel Converters (MMC) operating in normal and constrained situations (when the …

High‐voltage direct current breaker is among the essential components of high‐voltage
direct current grids. Such a breaker generally needs a direct current reactor to reduce the …

电力电子变流器主导的交直流混联电网极易产生各类振荡问题, 为了对其进行有效的抑制和预防
, 需对系统进行全面的振荡分析与评估. 对此, 频域模态分析法(frequency-domain modal …

The voltage-source converter (VSC) based multi-terminal direct-current (MTDC) networks
are currently being developed in large-scale power grids for efficient and economical …

This paper presents a control system implementation for operating a Modular Multilevel
Converter (MMC) as a Virtual Synchronous Machine (VSM) under unbalanced conditions …