Protection and Control of High-Voltage DC Grids

High-Voltage Direct-Current (HVDC) technology is a key enabler for the integration of offshore wind and long-distance power transmission. Today, HVDC systems are typically provided as point-to-point single-vendor systems. Our research contributes to multi-vendor interoperability and expansion of HVDC systems into grids, focusing in particular on the HVDC control and protection software.

Our applied work investigates modular design, software re-configuration in a changing electricity system, the interplay and design trade-offs (software and hardware) of protection and controls (e.g., adding a DC circuit breaker to an existing converter), but also interdisciplinary aspects, such as intellectual property or business models. On the theoretical side, we investigate new methods for integrated control and protection modeling and assessment beyond the typical step-wise approach of harmonic modeling (controls) followed by electromagnetic transient simulation (protection).

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