China Nuclear Energy: Third-generation power unit ensures safety, enables green energy production
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China is moving forward with the production of its advanced third-generation nuclear power unit – the Hualong One. Officials say the Hualong One is in line with global safety standards and continues to enhance safety measures in the production of green energy. Zheng Yibing brings us the details.

ZHENG YIBING Langfang, Hebei Province "This is the Xuanwu, an innovative experimental platform for enhancing the safety of nuclear power plants."

In any nuclear environment, containment and other physical barriers are integral to a power plant's production and safety. This controlled setting is also supporting the development of subsequent models of nuclear power units such as the Hualong One.

SUN JINLONG Deputy Chief Engineer China Nuclear Power Engineering "The Xuanwu is the world's largest test platform for the structural performance of the containment. Here we carried out the world's first comprehensive and systematic simulation experiment to verify the safety of containment of nuclear power plants."

A passive heat removal test system named "Pangu" was built for the containment to conduct thermal-hydraulic experiments for it. So far, nearly 100 heat removal tests in accident simulations have been conducted.

ZHENG YIBING Langfang, Hebei Province "To see what is inside the containment, let's go inside this giant factory building to see the working mechanism of the primary circuit as well as the safety system of the nuclear island."

NI SI Engineer China Nuclear Power Engineering "This experimental platform simulates the primary circuit system inside the containment, along with the safety system, and some auxiliary systems, which can support the development work of Hualong's subsequent models."

The results achieved on the test platform have already been applied in practice. These findings continue to contribute to the research and development of nuclear energy technology and promote global nuclear safety. Zheng Yibing, CGTN, Langfang, Hebei Province.