Abstract:This work proposes a primary frequency support mechanism for a voltage source converter (VSC) based multiterminal high voltage dc (MTDC) transmission system that interconnects asynchronous ac grids. For the ac disturbance case, an augmented control strategy composed of a coordinated droop control (CDC) and a supplementary controller is developed. In CDC, the droop constants are determined considering the desired disturbance sharing ratio among the ac areas and the loading of the converters. On the other hand, … Show more
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