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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 appear in the presence of background harmonics due to the interaction between the wind energy conversion system’s (WECS’s) converter controller, HVdc converter controller, and the impact of the interconnection system impedance...
Field experience has shown that sub-synchronous oscillation (SSO) and harmonic resonance can happen due to the interaction of wind energy conversion system's (WECS) converter controller, HVDC converter controller and impact of system impedance. This paper investigates the operation and control of WECS employing full-scale converter connected to the electrical network through voltage source converter...
This paper proposes a simple method for damping of oscillations in dc grids based on Voltage Source Converters (VSCs). The damping effect is achieved by a control loop for counteracting measured dc voltage oscillations by acting on the active current reference of the ac-side VSC controller. The design of the damping method is supported by participation factor analysis and parametric sensitivities...
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