The scope of Study Committee A3 covers the whole life cycle of AC and DC T&D Equipment. This includes theory, development, design, performance, testing, installation, operation and maintenance of all switching devices, current limited fuses, surge arrestors, capacitors, busbars, instrument transformers and other equipment not covered under other study committees.
A3 publications
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- Webinars
Deeply Suppressing Overvoltages in UHV AC Systems by Advanced Surge Arresters
Ref WBN056 • 2024 • Video content
- Technical Brochures
Technical requirements and field experiences with MV DC switching equipment
Ref 931 • 2024 • Video content
- Webinars
Fundamentals of Current Interruption in (High-Voltage) Vacuum Circuit Breakers
Ref WBN053 • 2024 • Video content- Technical Brochures
Applying Low-Residual-Voltage Surge Arresters to Suppress Overvoltages in UHV AC Systems
Ref 921 • 2023
- Webinars
The fundamentals of current interruption in SF6 and its alternatives
Ref WBN041 • 2023 • Video content
- Session Materials
Application of SF6 Alternatives for retro-filling existing Equipment
Ref A3-10103_2022 • 2022
- Session Materials