Dielectric Strength and Insulation Coordination in VCB Panels for 11kV & 33kV Systems
In power transmission networks, medium-voltage switchgear operates at the intersection of high electrical stress and strict reliability requirements. At voltage levels such as 11kV and 33kV, failures are rarely caused by thermal overload alone; they are far more often the result of insulation breakdown due to transient overvoltages. Within this…