· Arc discharge, streamer generation, and transient failure processes in relay switching (captured using high-speed cameras).
· Strain and displacement distribution of workpieces under load (measured using Digital Image Correlation (DIC) systems).
· Discharge channel formation, bubble evolution, and transient arc dynamics (captured using high-speed cameras).
· Plasma discharge evolution, transient changes in light emission, and dynamic structures (captured using high-speed cameras).
· Arc formation, oscillation, and extinction processes (captured using high-speed cameras).
· High-precision original sequence images of arc morphology and spatiotemporal evolution (captured using high-speed cameras), supporting 3D geometric reconstruction of arc channels and analysis of dynamic characteristics.