At noon, Zhou Yan wanted to stay with a group of CSR people to have a casual meal, but the CSR leaders who had received the special steel information and IGBT samples seemed unwilling to stay for a moment longer and hurriedly boarded the train and left.
Zhou Yanben took the IGBT transistor from Nanche and was able to calm down for a while before completing the test.
But when I followed Qin Ruoshu to visit the Summer Palace in the afternoon, I suddenly received a call from Liu Jingguo while walking halfway.
"Hey, Mr. Zhou, are you free tonight? Someone wants to treat you to dinner!" Liu Jingguo's voice was full of flattery, which made Zhou Yan's skin crawl.
Zhou Yan turned to look at Qin Ruoshu, who was staring at him curiously, and waved her hand to ignore him and continue walking forward.
"Director Liu, what's the matter?"
Liu Jingguo hesitated and said: "Well... I can't explain it clearly on the phone. Let's talk about it over the dinner!"
Zhou Yan asked angrily: "Where?"
"There is a hotel opposite the Naval General Hospital near Yuyuantan..."
navy?
Zhou Yan frowned: "I know!"
In the afternoon, after visiting the Summer Palace, Qin Ruoshu took a group of classmates to Fengze Garden in Zhushikou, while Zhou Yan rushed to the vicinity of the Naval General Hospital alone.
When they arrived at the place, Zhou Yan discovered that Liu Jingguo was with a naval officer who was a professional and technical level 4 naval officer.
"Zhou Yan, let me introduce to you. This is Dean Ma of the Naval University of Engineering and Technology..."
How could Zhou Yan, who had returned from more than ten years ago, not recognize the founder of the Navy's integrated power system?
Seeing Dean Ma in front of him, Zhou Yan suddenly woke up from a dream: It was the IGBT that caused the problem.
High-speed trains and high-speed trains on land can be driven by electric motors, and so can ships at sea. However, the system that uses electric motors for propulsion at sea has a name, called integrated all-electric propulsion.
The IGBT that can be remotely controlled by a program is naturally a necessary condition for comprehensive all-electric propulsion.
"Hello!"
This is because Dean Ma is not very interested in things outside of the convention. After sitting down, he gave Zhou Yan a reluctant smile: "Mr. Zhou, what is the maximum power that your IGBT can withstand?
"
"It's about fifty megawatts," Zhou Yan put away the smile on his face, "but the carrying voltage is only six thousand five hundred volts!"
Dean Ma continued to ask: "What if we continue to increase the voltage and reduce the operating current?"
"Ten thousand volts, but the current flowing through is only 500 amps..."
"What about reliability?"
"Silicon carbide base material, ultra-high insulation level packaging," Zhou Yan sighed slightly, "You should also know that when the voltage reaches a certain level, preventing breakdown is the most troublesome."
"What if we give up the size control of electrical components appropriately?"
"Dean Ma," Zhou Yan smiled and shook his head, "The gas turbines mass-produced in our country currently have a power of less than ten megawatts. A fifty-megawatt IGBT should be enough."
"Do you know what IGBT is used for?" Dean Ma was a little surprised.
"Comprehensive all-electric propulsion," Zhou Yan smiled, "other than that, I can't think of any other uses for IGBT."
"Yes..." Dean Ma smiled and nodded, "I heard from Director Liu that you just gave CSR a batch of samples this morning. Are there any spare parts?"
"There are still a few more than 3,000 volts..."
"That……"
Zhou Yan smiled at Liu Jingguo on the side: "I can make the decision and give them all to you, but..."
Liu Jingguo rolled his eyes: "Tell me, what are the conditions?"
"I plan to go to special steel," Zhou Yan smiled slyly, "You also know that I am a bit paranoid about being persecuted. Can you tell the superiors and issue me a rare earth license plate for personal use? No.
Will export."
"You kid, you really know how to speak like a lion..."
Zhou Yan directly enlarged his move: "I have a way to improve the utilization rate of rare earth ores..."
"I don't study well, so don't fool me!"
"You are just a sounding board, where does all this nonsense come from..."
Zhou Yan has been coveting rare earths for more than a day or two. In the past, before he came into contact with metallurgy, he was powerless. After he came into contact with the metallurgical industry and gained some demand, he naturally developed some ambitions for the rare earth industry...
The importance of rare earths can be glimpsed from the nicknames of rare earths: industrial MSG, many high-grade alloy steels and important performance materials are inseparable from rare earths.
For Qingyan Group, the biggest demand right now naturally comes from motor manufacturing: permanent magnet motors supported by rare earth elements can greatly improve the performance of the motor.
Of course, Zhou Yan and the above "crying" about rare earths should have other considerations...
Mature people don't really believe in human nature: Zhou Yan just gives selflessly, which will make his superiors think he has some agenda.
As for the refining technology of rare earths, Zhou Yan is not too worried. There is a lot of relevant information in the system's so-called endless database. At that time, Zhou Yan was searching for information when he was smelting high-grade alloy steel; moreover, Yun Zhong
There is no shortage of experts studying rare earth refining over there...
After chatting with Dean Ma for a while, Zhou Yan took the two of them to visit the semiconductor laboratory of Xinghan Group and picked up a batch of high-power IGBTs.
After Liu Jingguo returned to his unit, he immediately reported the situation to his boss.
"There should be no problem with Xinghan Group's IGBT technology, but..."
Liu Jingguo's boss smiled: "Just what?"
"During the exchange, the boy made a request..." Liu Jingguo scratched the back of his head, "He said he wanted a rare earth production license and said there were ways to increase the utilization rate of rare earth ores..."
Liu Jingguo's boss was amused: "Why are you embarrassed by his request?"
"Boss, I always feel like this guy is a bit of a jack-of-all-trades?"
"You kid," the boss smiled and shook his head, "you are used to taking other people's things for free, aren't you?"
Liu Jingguo was stunned for a moment, then laughed dumbly: "This..."
"This kid has learned a lot," the boss shook his head idly, "he knows how to hide his clumsiness..."
"But, Director, we are the intelligence department..."
"Isn't that easy to say?" The director smiled and picked up the phone casually, "Hey, General Assembly Director Liu, I'm the General Staff Li Shengdong, and now it's like this. The IGBT technology you want is in Xinghan.
Yes, but I made a small request, I want a rare earth license!"
People from the army system acted vigorously and resolutely. The next day, someone from the navy system sent an official document to Deng Zhuo, the boss of Xinghan Group, requesting to inspect IGBT technology.
After Deng Zhuo received the official document, he was a little confused. He called Han Zhengjun and found out that Zhou Yan had unknowingly caused a big trouble for the semiconductor company.
After making many calls, Deng Zhuo called Zhou Yan again.
"Boss, before something happens, can you give me a warning in advance? It's scary, it's scary to death!"
"Tell Han Zhengjun that the ultra-high voltage IGBT project can be given to the Navy for free..."
"this……"
"The government will issue a rare earth license to Qingyan Group," Zhou Yan sighed slightly, "At that time, Qingyan Group will pay corresponding compensation to Xinghan Group..."
When Deng Zhuo heard about the compensation, he immediately became interested: "What kind of compensation?"
"Small ion polymer batteries that can be used in mobile phones!"
"That's so embarrassing..." Deng Zhuo laughed.
As the helmsman of Xinghan Group, Deng Zhuoke is very clear about the role that polymer batteries, which have a much higher energy density than water-based ion batteries, will play for a long time to come...
