Editorial message
Switchgear reliability now depends on international trade as well as technology. This editorial explores how tariffs, supply chains, and geopolitics shape grid resilience.
Interview with Shenli Jia
Professor at Sichuan University and Xian Jiaotong University
Historical and contemporary insulating materials in switchgear: Evolution, properties, and future directions
This historical analysis traces switchgear materials from early air insulation to modern vacuum interrupters with higher dielectric strengths.
Retrofit of the generator switchgear in South America’s largest pumped-storage hydro power plant
Retrofit of the generator switchgear in South America’s largest pumped-storage hydro power plant
Interview with Paulo Miolo
KEMA Labs' Sales & Marketing Director speaks about his role in KEMA Labs.
The pulse of Transformer Magazine
Industry professionals read Transformer Magazine regularly with 4.33/5 overall satisfaction—ranking it #1
“CSD”- a tool for transient free switching application in back to back shunt capacitor banks switching – A case study
This case study shows how CSDs with ±1ms PoW accuracy eliminated transients in MP Power's Gwalior substation
International trade: De-risking supply chains
Solutions to bottlenecks and legacy design lock-ins which create critical single points of failure in supply chains.
The problem of increasing the electromagnetic immunity of the electronic equipment of substations powered from an ungrounded DC auxiliary network
Standard EMI filters fail catastrophically during breaker operations as common mode chokes become useless ballast in ungrounded DC networks.
Understanding Internal Arc Faults in Switchgear
Safety starts with understanding the blast.
The Role of HV Switchgear in Modernizing the U.S. Grid
Utilities face a mounting maintenance vs. replacement dilemma balancing costly, frequent upkeep and parts scarcity against the capital intensity and logistical challenges of equipment renewal