Inspec keywords: substations; insulation co-ordination; air gaps

Other keywords: time 1000.0 mus; national standard GB/Z 24842–2009; air clearance discharge characteristic curve; minimum air clearance; tubular bus; UHV AC substation; phase-to-phase air clearance; size 1.0 m; 1000 μs switching impulse characteristic test results; size 1.8 m; statistical method; insulation coordination method; grading ring; size 0.6 m; phase-to-earth air clearance; UHV substation; size 0.5 m; voltage 1000.0 kV

Subjects: Power system protection; Substations