The ZHN3A-72.5 Environmentally Friendly GIS (Dedicated for New Energy) is designed to support the green transformation of energy systems, in alignment with global carbon peak and neutrality goals. As part of efforts to develop a more sustainable and low-carbon energy structure, renewable energy sources like solar and wind power play a key role. The push for cleaner energy sources requires advancements in technology to handle new power infrastructure demands.
Key Context:
- Carbon Peak and Neutrality Goals: With China and other nations striving toward achieving carbon reduction targets, renewable energy, particularly offshore wind power, is becoming a significant part of the energy transition.
- Offshore Wind Energy in China: By the end of 2022, China had installed 30.51 GW of offshore wind power, only 1% of its long-term target of 3,009 GW. The increasing capacity of offshore wind turbines, from 5 MW to 18 MW, is pushing the development of higher voltage levels, moving from 35 kV to 66 kV and 72.5 kV systems.
ZHN3A-72.5 GIS Key Features:
- Voltage Level: 72.5kV, gradually replacing the older 40.5kV systems, making it more suitable for renewable energy setups like solar and wind power.
- Environmentally Friendly: This gas-insulated switchgear (GIS) uses a fluorine-free insulating gas, replacing the traditional SF6 gas, making it a green technology solution.
- Development Background: Shenyang Huade Haitai Electric Co., Ltd., a pioneer in developing fluorine-free switchgear, began work on this technology in 2009, with collaborations from leading experts in Germany and Japan.
- Technical Excellence: The ZHN3A-72.5 GIS offers high reliability and is maintenance-free, with impressive performance specifications:
- Rated current of 1250A, expandable up to 2500A
- Rated short-circuit breaking current of 31.5kA, with a maximum of 40kA
- Compact Design: The switchgear is compact, measuring 2500mm in length and 980mm in width, making it ideal for installations with limited space.
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