Title :
Harmonic analysis and improvement of a new solid-state fault current limiter
Author :
Ahmed, M.M.R. ; Putrus, G.A. ; Ran, L. ; Xiao, L.
Author_Institution :
Sch. of Eng, Univ. of Northumbria at Newcastle, UK
Abstract :
This paper presents a harmonic study on a newly developed solid-state fault current limiter. Using this device, the supply voltage sag is reduced when a short-circuit fault occurs on a cable feeder in the downstream network, hence improving the power quality. The device will eventually isolate the faulted part from the healthy network. Harmonics caused by the fault current limiter are analysed and a method is proposed to prevent undesirable harmonic interactions. Analytical and experimental results are compared with existing regulations. It is verified that, with precautions, the operation of the solid-state fault current limiter will not cause problems to either the supply network or the loads
Keywords :
fault current limiters; harmonic analysis; power distribution faults; power supply quality; power system harmonics; cable feeder; distribution network; downstream network; fault current limiter; harmonic analysis; power quality improvement; short-circuit fault; solid-state fault current limiter; supply voltage sag reduction; undesirable harmonic interactions prevention; Circuit faults; Fault current limiters; Fault currents; Harmonic analysis; Impedance; Semiconductor devices; Solid state circuits; Switches; Varistors; Voltage fluctuations;
Conference_Titel :
Rural Electric Power Conference, 2001
Conference_Location :
Little Rock, AR
Print_ISBN :
0-7803-7012-0
DOI :
10.1109/REPCON.2001.949528