The protection of the hottest electrical equipment

2022-08-03
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The patron saint of electrical equipment -- Zhang Yujiao, doctoral supervisor of the school of electrical and new energy of Three Gorges University

the patron saint of electrical equipment -- Zhang Yujiao, doctoral supervisor of the school of electrical and new energy of Three Gorges University

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original title: the patron saint of electrical equipment -- Zhang Yujiao, doctoral supervisor of the school of electrical and new energy of Three Gorges University

, Zhang Yujiao began to research the key technology of electromagnetic multi physical field analysis and its application in the virtual design and condition evaluation of electrical equipment. This technology was first interviewed and learned about the industrial needs of advanced manufacturing and intelligent operation and maintenance for electrical equipment. With its optimized design and defect propagation tensile testing machine, it is important to apply it to wires and cables, building materials, aerospace, machinery manufacturing, rubber and plastics, textiles Taking the material inspection, analysis and inversion of household appliances and other industries as the research objective, combined with field investigation, theoretical analysis, numerical simulation until the rubber pattern is torn off, experimental verification and other research means, a complete numerical calculation algorithm system of electromagnetic multi physical fields of electrical equipment is constructed, which can provide theoretical and technical support for the manufacturing and safe and stable operation of electrical equipment

In 2014, the shielding ring of the world's first UHV transmission line put into commercial operation in Hubei was broken, and the maintenance company of Hubei Electric Power Co., Ltd. immediately found Zhang Yujiao's team. After on-site investigation and cause diagnosis, the team analyzed the fracture mechanism and proposed a structural improvement scheme. The improved device was put into operation in 2016. Now two years have passed, and no similar accident has occurred. The achievements of the project won the first prize of scientific and technological progress of Hubei Electric Power Co., Ltd

due to the close relationship between research direction and practical application, zhangyujiao had to often go to various sites for investigation. Over the years, no matter how bad the conditions are, she has insisted on going down to the front line to obtain first-hand information. In the winter of 2014, a tower toppling accident occurred on a transmission line near Yichang, which was located in a high mountain, with slippery roads and inconvenient traffic. Nevertheless, she and the employees of the power company rushed to the scene to collect relevant information. In the past five years, she has presided over 2 National Natural Science Foundation projects, 3 provincial and ministerial projects, and more than 20 power enterprise science and technology projects. In 2017, Zhang Yujiao won the first prize of Hubei Provincial Science and technology progress award. (Xiang Xi, zhengmingqiang, correspondent rendeping)

Author: Xiang Xi, zhengmingqiang, Ren Deping

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