The increase in the penetration of renewable energy sources (RES) has reduced the
effective inertia of the power system dominated by synchronous machines. The reduction in …

This paper investigates the small-signal stability of power electronics-based power systems
in frequency domain. A comparison between the impedance-based and the eigenvalue …

Field experience has shown that subsynchronous oscillation and harmonic resonance can
occur between wind farms (WFs) and high voltage dc (HVdc) systems. The oscillations can …

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 …

The high-voltage dc (HVDC) systems are appearing more and more, and it is becoming a
requirement that the HVDC voltage-source converters (VSCs) operate both as an inverter …

The existing research on voltage-source converter HVDC (VSC-HVDC) system stability
mostly focuses on small-signal stability analysis methods. However, when large-signal …

Stability studies of voltage-source converter HVDC (VSC-HVDC) systems are mainly based
on small-signal linearization techniques. However, when VSC-HVDC systems become …

Grid impedance has a significant impact on the small-signal stability and control of grid-
connected power converters used for connecting multiple distributed energy resources and …

Voltage source converters (VSCs) are generally assumed to be identical when studying the
DC voltage critical stability of a multi-terminal DC (MTDC) system, which in reality is not the …

With increasing power electronics integrated into the power grids, the new types of
oscillation issues have posed a critical threat to the secure operation of power grids. Apart …