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Protection design for pole-to-pole faults in DC networks
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| Author(s) |
Fabian Benedikt WITT, Melanie HOFFMANN, Michael KURRAT |
| Abstract |
Fault protection is one of the primary challenges impeding the widespread adoption of DC and hybrid AC/DC grids. A structured planning process for protection systems is necessary with regard to standardization. In this paper, a novel three-step protection system design process is proposed building upon the CENELEC (CLC/TS 50654-1) approach. The proposed planning process is separated into concept, system and component level. On concept level, the operational modes 'continued operation', 'temporary stop' and 'permanent stop' according to CENELEC are used to define desired system behaviour in the event of a fault. On system level, protective action sequences are defined to realize the system behaviour defined on concept level. Finally on component level, protective devices are dimensioned and tripping thresholds are determined. |
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| Filename: | 0152-epe2025-full-17362950.pdf |
| Filesize: | 776.3 KB |
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| Type |
Members Only |
| Date |
Last modified 2025-08-31 by System |
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