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BYD won the bidding of energy storage project of nuclear power plant, 2nd generation energy storage technology helped safety upgrade of nuclear power plant

Recently, after winning the bidding in MW-level energy storage power station project of China Southern Power Grid and National Grid, BYD once again won the bidding in high-capacity battery energy storage project of nuclear power plant of China General Nuclear Power Group. It is known that this project is a demonstration project for research on applied technologies of national energy, with a scale of 2.5MW/3.5MWh. In case of serious accident that causes power failure to nuclear power plant, this energy storage station will provide emergency power supply to ensure the safety of nuclear power plant, people's lives and properties.

“Nuclear safety” is the ultimate requirement of nuclear power industry, which is extremely strict for the reliability and maturity of products. Each step is of vital importance, from reactor to every screw. Each product shall have excellent quality and mature technology, capable of withstanding earthquake, tsunami and fire, and be reliable in extreme environment with steam and radioactive substance. BYD’s success in bidding in energy storage project of nuclear power plant shows that the technology and maturity of energy storage power station of BYD are acknowledged by nuclear power industry and have reached nuclear power grade, which is a big lead in the field of nuclear power.

Station blackout is the greatest threat of nuclear power station. In this case, the reactor will be stopped automatically and backup power supply will be started to maintain the normal operation of cooling system until excess heat of reactor cores is dissipated, ensuring the safety of nuclear power station. In 311 Fukushima Nuclear Power Station accident, three reactor cooling systems were stopped after station blackout, causing serious accident and hundreds of thousands of people were evacuated, which cast a shadow over global nuclear power industry. The nuclear power unit of Fukushima Nuclear Power Station is the 2nd generation nuclear power unit; the safety system adopts “active” system design and needs external power to drive the cooling system for cooling. BYD’s 2nd generation energy storage station can provide reliable “passive” emergency power supply for the 2nd generation unit so that when station blackout occurs and external power is lost, the energy storage system can be started automatically on its own stored energy, ensuring that cooling system is powered normally, making it “the last safety defense” of nuclear power station. The successful application of BYD’s energy storage power station allows the security level of 2nd generation nuclear power unit to reach the safety standard of 3rd generation nuclear power unit. In that case, the Fukushima tragedy may be avoided.

It’s reported that BYD’s “iron battery” energy storage power station owns mature technology and rich construction experience. In 2010, BYD provided the first MW-level energy storage power station of the world for China Southern Power Grid. In 2011, the world’s largest energy storage station project “36MWh ‘iron battery’ energy storage power station of State Grid Wind-photovoltaic-storage-transmission Demonstration Project” was grid-connected successfully. BYD also provided energy storage power stations to world-famous energy company of the world such as Chevron, Duke Energy, EPRI USA, etc. The principal of BYD EPRI said: the application of nuclear energy storage power station means a lot. As estimated, there are more than 400 2nd generation nuclear power units in the world. If the successful experience of China General Nuclear Power Group is promoted to the world, it will open up a considerable market space.

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