HVDC and FACTS Controllers

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HVDC and FACTS Controllers

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HVDC (High Voltage Direct Current) and FACTS (Flexible AC Transmission Systems) controllers are critical components in modern power systems, leveraging static converters to enhance efficiency, stability, and controllability in electrical grids.

HVDC systems are primarily used for long-distance power transmission, interconnecting asynchronous grids, and integrating renewable energy sources like offshore wind farms. Unlike traditional AC transmission, HVDC minimizes losses over vast distances and provides precise power flow control.

FACTS controllers, on the other hand, improve the performance of AC networks by dynamically regulating voltage, impedance, and phase angle. Devices like STATCOM (Static Synchronous Compensator) and SVC (Static Var Compensator) enhance grid stability, mitigate power oscillations, and optimize transmission capacity without extensive infrastructure upgrades.

Both technologies rely on advanced power electronics, including thyristors and IGBT-based converters, enabling rapid response to grid disturbances. Their applications are pivotal in modern power systems, supporting renewable integration, reducing transmission congestion, and improving overall grid reliability.

As power networks evolve, HVDC and FACTS will continue to play a vital role in ensuring efficient and resilient electricity delivery.