• Product
  • Suppliers
  • Manufacturers
  • Solutions
  • Free tools
  • Knowledges
  • Experts
  • Communities
Search


Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

Access free engineering resources from IEE Business—covering power design, circuit layout, equipment selection, and troubleshooting. Expert-developed guides help engineers, procurement, and project teams make better decisions. Stay ahead on smart grids, renewables, efficiency, and AI tools. Improve reliability, reduce downtime, and enhance outcomes with real-world solutions. Explore our knowledge hub today.
Design of a New 12kV Environmentally Friendly Gas-Insulated Ring Main Unit
1. Specific Design1.1 Design ConceptState Grid Corporation of China actively promotes grid energy conservation and low-carbon development to achieve national carbon peak (2030) and neutrality (2060) goals. Environmentally friendly gas-insulated ring main units represent this trend. A new 12kV integrated environmentally friendly gas-insulated ring main unit was designed combining vacuum interrupter technology with three-position disconnectors and vacuum circuit breakers. The design utilized Solid
12/11/2025
Consult
Tip
Consult
Tip
Send inquiry
+86
Click to upload file
Download
Get the IEE Business Application
Use the IEE-Business app to find equipment, obtain solutions, connect with experts, and participate in industry collaboration anytime, anywhere—fully supporting the development of your power projects and business.