In July 2018, the chairman signed three general orders for making outstanding contributions in the military field to grant first-class merit . Among them, ranked first in the 41-year-old professor of Naval Engineering University. He is a national defense master. Xiao Fei.
Xiao Fei has undertaken a number of major national and military scientific research projects, and has achieved a number of original results with completely independent intellectual property rights.
Among them, he successfully developed a 2 MW-class direct-drive wind power converter system, creating a "Chinese battery cell". broke the monopoly of foreign products in this field and saved the country at least 1 billion yuan in purchasing expenses each year. RMB.
gave up his Ph.D and was willing to be a much-needed laboratory worker
Xiao Fei, born in 1977, he liked the green uniform since he was a child, and was successfully admitted to the Ocean Engineering University the year he graduated from high school.
In 2002, Xiao Fei graduated with a master's degree and stayed at the school. He was assigned to a key laboratory of national defense science and technology in the school. At the same time, he was admitted to a doctorate and prepared to continue his studies.
At this time, the laboratory happened to be in urgent need of an experimenter, so Xiao Fei did not hesitate to submit the application, which also meant that he gave up his Ph.D. opportunity.
During his tenure as an experimenter, his work was trivial and busy, and Xiao Fei often worked overtime until the early hours of the morning or even longer. Once, in order to solve the short-circuit fault problem of a certain submarine power system, he watched continuously for 60 hours next to the experimental instrument to obtain first-hand experimental data, and then after nearly a hundred experiments, he finally solved the problem. solved.
’s work as a laboratory technician for 2 years soon ended, and Xiao Fei was admitted to Zhejiang University for his Ph.D. , and returned to teach at alma mater again after graduation, relying on his own ability, talent and scientific research achievements.
In 2009, he was exceptionally named associate professor, and three years later he was exceptionally named professor. In the 10 years from 2002 to 2012, Xiao Fei used challenges and scientific research results to complete an important life leap from experimenter to young professor, and also made outstanding contributions to the national defense construction of the motherland. The core system of the
ship-the successful development of a new type of high-speed induction generator
Xiao Fei joined the team known as the "Father of China's Electromagnetic Catapult" Ma Weiming during his teaching at the Ocean Engineering University. Here, he is the first scientific research. The project is responsible for the development of a new type of high-speed induction generator system, which is the core system of the ship, and it is also a worldwide problem.
The volume of high-speed induction generators is smaller than that of conventional generators of the same power, but the power is much larger than that of conventional generators. It is especially suitable for use in ships. However, high-speed induction generators also have a very obvious defect, that is, when When the speed of the generator is close to the critical value, , is prone to malfunction .
This is the problem that Xiao Fei and his team members need to solve. They have to develop new products and put forward higher technical requirements for the strength of the generator's rotor and high-speed bearings.
Xiao Fei is like a big manager. does scientific research in the laboratory, and then goes to the factory to do technical guidance, solve process problems on site, and discuss how to improve with technical workers.
Because Xiao Fei understands that their design innovation is only a step towards success, and there is still a long way to go from design to prototype, so he has to lead the team members to make scientific research work in depth and detail. The laboratory moves to the workshop of the factory, so that theory and practice can be truly integrated. The development process of the
new high-speed induction generator system is full of difficulties, and the journey is full of hardships. The design drawings of are difficult. The processing technology of prototypes is more demanding.
Therefore, Xiao Fei is quite cautious about this. The manufacture of a new type of generator requires more than 200 processes. Xiao Fei insists on going through all the processes, and he is only reassured that some processes are operated on the machine himself.
When he was in the laboratory, he was a professor and a designer, and when he was in the factory, he was an engineer, a technician, and a worker. He did multiple jobs and did not let up.
After years of unremitting efforts, the prototype product of a new generation of high-speed induction generator has finally been developedThrough the appraisal of the prototype by technical experts, its technical parameters have reached the expected design value, and it is still at the world leading level of . Now, this scientific research result has been widely used in the new warships of the navy of our country. Use .
Xiao Fei and his team members also won the second prize of 2014 National Science and Technology Progress Award and obtained a national patent.
won the first battle and won honors. Xiao Fei was not proud and complacent, but continued to win one victory after another in the research projects.
's own formula to solve technical problems
is particularly worth mentioning is that in the experimental process of developing a new type of high-speed induction generator, Xiao Fei discovered an extremely important problem, that is, the output voltage of the generator is always unstable status.
he went to look up the information to solve the technical problem. Z8z did not know that there was no reference material in China at that time, and there was basically no technical information of abroad. Z8z only had a formula published in a foreign academic journal.
So, Xiao Fei calculated according to this formula, but there was a problem with the calculated data, because the result calculated according to the formula could not be used in practice at all. Could there be a problem with the calculation process?
Xiao Fei has checked the calculations many times, but there is no omission in the process. What is wrong? If the formula problem is not solved, the voltage problem will naturally not be solved, and the generator project will not be able to move forward.
has been thinking hard for several days and nights, and a thought suddenly flashed in Xiao Fei’s mind. Since the calculation process is correct, isn’t the formula wrong? , even the articles published in international journals may not be correct. of. With this question, Xiao Fei decided to find a calculation method . Putting aside all the fixed thinking before, Xiao Fei kept drawing and calculating on the paper according to the actual situation. He succeeded. He created his own formula and adopted a new calculation method, and finally solved the generator voltage instability. Technical difficulties.
Research in the field of science requires this spirit of suspicion, the spirit of daring to explore, and the courage to get rid of all stereotypes and all obstacles in order to make unexpected breakthroughs. Xiao Fei is an outstanding talent with these characteristics.
broke the foreign monopoly and saved 1 billion for the country, creating Chinese batteries
12 years ago, the converter used in wind power generation was all dependent on imports, and these converters were almost monopolized by several foreign companies. When purchasing in my country, the foreign party not only offered high prices but also put forward harsh import conditions.
Faced with such a situation, experts in the field of defense science and technology in my country believe that China can completely develop independently to create Chinese batteries.
Immediately afterwards, Xiao Fei led the relevant personnel to form a research team for the subject. After one year, they designed a 2 MW-class permanent magnet direct-drive wind power converter. With the design of
, the next step is to test with . Xiao Fei's team chose a wind power plant in Fujian Province, where there are no ready-made test conditions, they set up a shack on the mountain as a laboratory .
usually eat and live in the homes of local farmers, even under such conditions, it has not affected their pace of scientific research. After many tests, it is proved that the technical indicators of the converter they developed have reached and exceeded the same type of foreign products.
Xiao Fei’s team successfully conquered the converter and broke the long-term monopoly of converters by foreign countries . Since then, my country’s wind power plants have used "Chinese batteries" .
This is the pride of China as well as the pride of the nation. This alone can save the country at least 1 billion yuan in purchasing expenses every year.
Xiao Fei won the May Fourth Medal in 2017; he was awarded the first-class personal merit in 2018. Behind all the honors are his great contributions to the Chinese Navy and the development of China's science and technology.
Many countries in the world are always engaged in scientific research competitions, this is a war without gunpowder. In recent years, our country has alsoThe high-tech field has made remarkable achievements, and there are many technologies with world-leading levels and independent intellectual property rights.
It is precisely because there are countless scientific and technological workers like Xiao Fei who have the courage to innovate, innovative ideas and innovative courage, that many scientific research achievements have reached or exceeded the technological level of developed countries, making China proud of the world.
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