![Figure 3 from Environmental impact comparison between a 220 kV gas-insulated substation and a 220 kV air-insulation substation | Semantic Scholar Figure 3 from Environmental impact comparison between a 220 kV gas-insulated substation and a 220 kV air-insulation substation | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/1c3ca105b73edec0397a201649920dcfbb3cf25a/2-Figure3-1.png)
Figure 3 from Environmental impact comparison between a 220 kV gas-insulated substation and a 220 kV air-insulation substation | Semantic Scholar
Imperial Construction Company - 220/132/33kv Air insulated Substation at Dehradoon under PTCUL | Facebook
![Looking At The Future | Electrical India Magazine on Power & Electrical products, Renewable Energy, Transformers, Switchgear & Cables Looking At The Future | Electrical India Magazine on Power & Electrical products, Renewable Energy, Transformers, Switchgear & Cables](https://i0.wp.com/www.electricalindia.in/wp-content/uploads/2018/12/gasinsulatedswitchgears-switchgear-1.png?fit=500%2C376&ssl=1)
Looking At The Future | Electrical India Magazine on Power & Electrical products, Renewable Energy, Transformers, Switchgear & Cables
![Figure 1 from Environmental impact comparison between a 220 kV gas-insulated substation and a 220 kV air-insulation substation | Semantic Scholar Figure 1 from Environmental impact comparison between a 220 kV gas-insulated substation and a 220 kV air-insulation substation | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/1c3ca105b73edec0397a201649920dcfbb3cf25a/2-Figure1-1.png)