Title :
Arc fault model for low-voltage AC systems
Author :
Wu, Huaren ; Li, Xiaohui ; Stade, D. ; Schau, H.
Author_Institution :
Dept. of Electr. Eng., Nanjing Normal Univ., China
fDate :
4/1/2005 12:00:00 AM
Abstract :
A lot of three-phase arc fault experiments show that arc voltages of three-phase arc fault in low-voltage ac systems vary stochastically. These arc voltages cannot be expressed exactly by formula. This paper introduces a three-phase arc fault model for low-voltage ac systems derived by probability method according to the characteristics of three-phase fault arcs. This model can be used to calculate minimum three-phase arcing fault current for setting the relay.
Keywords :
arcs (electric); relays; short-circuit currents; arc fault model; fault current; low-voltage AC systems; relays; short-circuit currents; three-phase arc faults; Arc discharges; Circuit faults; Electrical fault detection; Fault currents; Power system faults; Power system modeling; Power system relaying; Short circuit currents; Stochastic processes; Voltage; Arc discharges; modeling; short circuit currents;
Journal_Title :
Power Delivery, IEEE Transactions on
DOI :
10.1109/TPWRD.2005.844231
