Summary
Multiterminal HVDC networks will become a crucial technology for integrating renewable energy sources into existing power systems. To ensure the uninterrupted operation of these grids, protection systems must quickly and selectively detect and isolate faults to limit their impact. Achieving this requires adequate selection and tuning of a suitable protection function or combination of protection functions for each application. This paper describes how speed and reliability indicators can be used to efficiently determine convenient combinations of complementary protection functions which can be employed to enhance their performance. The limitations of the voltage derivative function when implemented to protect long cables are explained. Then, a case study based on a proposed multiterminal HVDC project is modelled to demonstrate the selection and tuning process of a protection function combination proposed to improve the performance of the voltage derivative functions in long cables.
Additional informations
| Publication type | Session Materials |
|---|---|
| Reference | B4_10121_2026 |
| Publication year | |
| Publisher | CIGRE |
| Country | Belgium |
| Study committees | |
| File size | 674 KB |
| Price for non member | 30 € |
| Price for member | 30 € |
Authors
BAENA GARCIA Pedro Miguel - KU Leuven, Belgium; CHAFFEY Geraint - KU Leuven, Belgium; VAN HERTEM Dirk - KU Leuven, Belgium
Keywords
Cable, Direct Current, Fault, High Voltage, Measurement, Protection, Simulation
