PSCAD Tutorial: Switching Overvoltage & Insulation Coordination in Power Systems

A practical PSCAD/EMTDC tutorial on switching overvoltage studies for EHV power systems — covering model boundaries, line modeling, surge arrester energy, and statistical point-on-wave sweeps for insulation coordination. Full breakdown: https://keentelengineering.com/switch... Chapters: 0:45 Why Switching Studies Matter 1:21 Where Switching Overvoltages Sit on the Spectrum 1:55 How Far Out to Model 2:31 Choosing the Right Transmission-Line Model 3:16 Line Geometry, Transposition & Equipment Data 4:08 Surge Arresters: V-I Curve & Energy, Plus Cables 4:52 Validate Before You Simulate 5:31 Point-on-Wave: Deterministic and Statistical 6:14 Trapped Charge & the Line-Reactor Effect 6:52 The Scenario Matrix & Reading the Results 7:38 Why This Matters for Interconnection Engineering 8:22 Case Studies at a Glance 9:26 Frequently Asked Questions 11:51 Conclusion