VSC-HVDC System Control Structure: Design and Operation

VSC-HVDC System Control Structure refers to the control architecture employed in high-voltage direct current (HVDC) systems based on Voltage Source Converter (VSC) technology. VSC-HVDC systems convert alternating current (AC) to direct current (DC) and transmit electrical energy over long distances via DC transmission lines, enabling highly efficient and low-loss power delivery.

The control structure encompasses various control loops, including current control, voltage control, and power control. These control loops continuously monitor and adjust the electrical parameters within the system, ensuring its stability, safety, and reliability. By effectively managing the flow of power, VSC-HVDC systems play a crucial role in modern power grids, enabling the integration of renewable energy sources and facilitating efficient power transmission over long distances.