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Siemens Energy, Mitsubishi Electric sign MoU for zero GWP solutions for the power industry

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Siemens Energy and Mitsubishi Electric have announced that it has signed a Memorandum of Understanding (MoU) to conduct a feasibility study on the joint development of high-voltage switching solutions with zero global-warming potential (GWP) that substitute greenhouse gases with clean air for insulation.

Through this partnership, both companies will research methods for scaling up the application of clean air insulation technology to higher voltages. They'll start with a 245-kV dead-tank circuit breaker that will speed up the availability of climate-neutral high-voltage switching solutions for customers around the globe.

Furthermore, the two entities will continue to manufacture, sell, and service switchgear solutions independently.

Both companies have been working on the development of SF6-free gas-insulated switching solutions that replace greenhouse gas with clean air, a pure mixture of nitrogen and oxygen, to contribute to global carbon neutrality goals. To date, clean air insulation is the only alternative to greenhouse gases and therefore poses zero health and safety risks. In conjunction with vacuum interrupters, higher performance for switching applications is ensured, even compared with all known SF6 circuit breakers.

Siemens Energy's Blue Portfolio offers future-proof and environmentally friendly solutions for high-voltage power transmission. It comprises F-gas-free gas-insulated switchgear, circuit breakers, and instrument transformers. Its Blue products lie outside the scope of any conceivable F-gas regulation.

Mitsubishi Electric provides a variety of high- and medium-voltage products to ensure the safe and reliable operation of modern power networks. With its vacuum-interruption and dry-air insulation technology, the company is contributing to society by providing (SF6-free) and zero CO2 equivalent emission, energy-efficient, and low lifecycle-cost solutions. 

Author : Moulin Oza
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