ELECTRICAL SUBSTATION FAULT MONITORING AND DIAGNOSTICS

摘要

A fault monitoring system (80) for an electrical substation (83) includes oneor morearrays (82) of acoustic sensors (90) placed around a substation boundary andconfigured to measure acoustic pressure waves. A processing circuitry (88) inthefault monitoring system (80) localizes and identifies faults in the substation(83) andincludes a sound source localization module (102) to identify an area of asoundsource based on the acoustic pressure waves. A beamforming module (104) ofprocessing circuitry (88) provides enhanced acoustic pressure waves byeliminatingbackground noise and interfering noise from the acoustic pressure waves and acomponent signature classification module (106) in the processing circuitry(88)compares enhanced acoustic pressure waves with component signatures toclassify theacoustic pressure waves into various events to detect faults in the electricalsubstation(83).