Detecting and Locating High-Voltage Corona Discharges
A recent study published in Sensors compares the sensitivity of a portable wideband sonic camera and digital single-lens reflex (DSLR) camera with a matrix of micro-electromechanical microphones for identifying and pinpointing the source of discharges.
Laura Thomson Usman Ahmedsep Usman Ahmed Sonic Cameras Locate High Voltage Corona Partial Discharges
Source: azooptics.com