DC Distribution Fault Analysis, Protection Solutions, and Example Implementations

DC Distribution Fault Analysis, Protection Solutions, and Example Implementations

A dc fault current can be approximated by its equivalent fault inductance. DC circuit breaker-based or converter-based protection solutions are different in protective devices and protection methods. Fast fault interruption is essential and critical to dc distribution protection. Specific speed requ...

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Veröffentlicht in:IEEE transactions on industry applications 2018-07, Vol.54 (4), p.3179-3186
Hauptverfasser: Qi, Li, Antoniazzi, Antonello, Raciti, Luca
Format: Artikel
Sprache:eng
Schlagworte:
Capacitors
Circuit breaker
Circuit breakers
Circuit faults
Circuits
converter
Converters
dc distribution
fast speed
Fault currents
Fault diagnosis
Inductance
Power electronics
protection
Solids
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Beschreibung
Zusammenfassung:A dc fault current can be approximated by its equivalent fault inductance. DC circuit breaker-based or converter-based protection solutions are different in protective devices and protection methods. Fast fault interruption is essential and critical to dc distribution protection. Specific speed requirements are derived and analyzed for different protection solutions. The effectiveness of different dc protection solutions is demonstrated on a dc distribution system. The issues in dc protection coordination are studied and discussed.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2018.2825437