Commutation failure (CF) is the main fault type in high voltage direct current (HVDC)
systems with line commutated converters. To mitigate CFs, considerable researches have …

With the continuous development of power electronics technology, variable-speed offshore
wind turbines that penetrated the grid system caused the problem of inertia reduction. This …

Large-scale synchronous condenser (LSC) has a broad application prospect in China's ultra-
high voltage direct current (UHVDC) to provide dynamic reactive power. Loss of excitation …

Ultra high voltage direct current (UHVDC) transmission under hierarchical infeed mode
(HIM) embedded into AC networks with diverse voltage levels (500 and 1000 kV) has been …

ABSTRACT Sun, L.; Liu, H., and Bian, D., 2019. Influence factors of stability on offshore
HVDC transmission systems. In: Guido-Aldana, PA and Mulahasan, S.(eds.), Advances in …

The synchronous condenser (SC) has a broad application prospect in ultra-high-voltage
direct current (UHVDC) systems. The SC's loss of excitation (LOE) is an important grid …

With the rapid development of ultra-high-voltage (UHV) AC/DC, especially the step-by-step
upgrading of the UHV DC transmission scale, security presents new challenges …

Commutation failure (CF) threatens system safety with traditional HVDCs. To improve the
recovery performance from CF, a novel recovery strategy is proposed, where a dynamic …

This chapter introduces different HVDC technologies used in HVDC systems with
fundamental theories associated with each HVDC technology. The line commutated …

The existing AC fault screening indicators for multi-infeed HVDC systems cannot accurately
reflect the AC-DC coupling effect and DC electromagnetic transient process, and it is difficult …