1. b.alinezhad@yahoo.com-09123120634 All rights reserved Gas-insulated Switchgear (GIS)

2. STANDARDS IEC 62271-203 High-voltage switchgear and controlgear – Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV

3. b.alinezhad@yahoo.com-09123120634 All rights reserved Cost Comparison of AIS and GIS Sub-stations REFERENCE: Electrical Engineering Handbook, Taylor & Francis Group

4. b.alinezhad@yahoo.com-09123120634 All rights reserved 145kV GIS (ABB ELK04)

5. b.alinezhad@yahoo.com-09123120634 All rights reserved 145kV GIS (ALSTOM F35)

6. b.alinezhad@yahoo.com-09123120634 All rights reserved 420kV GIS (ALSTOM T155)

7. b.alinezhad@yahoo.com-09123120634 All rights reserved GIS Main Components 1.Circuit Breaker 2.Disconnector and Earthing Switch 3.Make-proof earthing switch 4.Current and Voltage Transformers

8. b.alinezhad@yahoo.com-09123120634 All rights reserved Circuit Breaker

9. b.alinezhad@yahoo.com-09123120634 All rights reserved 3-Positin Disconnector and Earthing Switch

10. b.alinezhad@yahoo.com-09123120634 All rights reserved Disconnector

11. b.alinezhad@yahoo.com-09123120634 All rights reserved Make-Proof Earthing Switch

12. b.alinezhad@yahoo.com-09123120634 All rights reserved 420kV Make-Proof Earthing Switch

13. b.alinezhad@yahoo.com-09123120634 All rights reserved Current and Voltage Transformers

14. b.alinezhad@yahoo.com-09123120634 All rights reserved 420kV Voltage Transformer

15. b.alinezhad@yahoo.com-09123120634 All rights reserved 420kV Current Transformer

16. b.alinezhad@yahoo.com-09123120634 All rights reserved Surge Arrester

17. b.alinezhad@yahoo.com-09123120634 All rights reserved Gas Barrier Support insulator for GIS (communicating)Support insulator for GIS (non-communicating)

18. b.alinezhad@yahoo.com-09123120634 All rights reserved Cable End Unit, Gas-to-Air Bushings Plug-in dry type cable connectionSF6-Gas-to-air bushing to connect overhead lines

19. b.alinezhad@yahoo.com-09123120634 All rights reserved SF6 to Air Bushing

20. b.alinezhad@yahoo.com-09123120634 All rights reserved Combination of modules

21. b.alinezhad@yahoo.com-09123120634 All rights reserved Single Line Diagram  Single busbar

22. b.alinezhad@yahoo.com-09123120634 All rights reserved Single Line Diagram  Double busbar

23. b.alinezhad@yahoo.com-09123120634 All rights reserved Single Line Diagram Ring busbars

24. b.alinezhad@yahoo.com-09123120634 All rights reserved Technical Data