In Tang Fei's view, Chen Guihong's family background is a bit mysterious.

Chen Guihong has worked in the Red Star Factory for so many years, and he has never played the banner of his family, and he has never used his family connections, but this time it is a little different.

The previous general manager of the procurement center, that is, Chen Guihong's predecessor, was angry because of the poor import of IGBT, and the senior management of the Red Star Factory was furious and dismissed him.

Chen Guihong was previously the deputy general manager of the procurement center, mainly responsible for the management of domestic suppliers, entrusting some spare parts to peripheral suppliers for processing, and foreign imported parts are responsible for the top of the procurement center.

Now there is such a thing, the DJ4 electric locomotive has entered the assembly plant for assembly, and when the rice is put into the pot, it is impossible to purchase imported IGBT. Chen Guihong was promoted to the general manager of the procurement center, which is equivalent to being ordered in danger.

Many people are looking at Chen Guihong, whether the newly appointed general manager can purchase the IBGT that is urgently needed, and in desperation, Chen Guihong can only use some connections at home.

After thinking about it, he didn't shy away from Tang Fei, Chen Guihong picked up the phone and dialed a number, and after the phone was connected, Chen Guihong hurriedly said: "Uncle Liu, I have something I want to ask you for help......

Tang Fei pricked up his ears and listened, wondering who the person on the other end of the phone was, but what he heard was very limited.

Chen Guihong said the matter roughly, asking the other party to help contact the IGBT of various models and specifications urgently needed for DJ4 electric locomotives imported from abroad, and finally said that this is his Chen Guihong's personal request, and he must not let his old man know.

The other party groaned, but still agreed, seeing this, Chen Guihong's heart was relaxed.

Tang Fei guessed that the "Uncle Liu" on the other end of the phone should be a leader of a certain ministry in Beijing, and Chen Guihong can directly talk to such a person on the phone, it seems that his family background is really extraordinary.

Tang Fei wanted to inquire, but Chen Guihong didn't take the initiative to say it, and he couldn't take the liberty of asking such a personal question, so he could only hide his curiosity in his heart.

But one thing is certain, Chen Guihong's family background is definitely not ordinary.

After making this call, Chen Guihong breathed a long sigh of relief, and said with a relaxed face: "Uncle Liu has agreed, then there is basically no problem in this matter, brother, you give me the list of IGBT quantities, models and specifications you need, I will summarize it together, and fax it to Uncle Liu later." ”

"Okay, I'll send someone to deliver it when I get back. ”

The IGBT matter was basically done, Tang Fei was also a little relaxed in his heart, chatted with Chen Guihong for a while, and even jokingly said that Brother Chen was promoted and wanted to have a treat to celebrate.

Chen Guihong looked cautious, saying that now is a special period, IGBT has not been purchased back, many people are staring, and his seat is not sitting firmly, it is really not the time to celebrate, and he will talk about it for a while.

Tang Fei was just joking, he didn't take it seriously, he knew Chen Guihong's situation completely, and he didn't affect his work anymore, sat down, chatted, and after drinking a cup of tea, Tang Fei got up and said goodbye.

Drive back to your company.

It is estimated that he heard that the boss was back, Zhao Ke immediately came over and asked softly: "Boss, how is the matter, is there any hope for the IGBT we need?"

Tang Fei nodded and said: "Well, hand it over to the Red Star Factory, and the Red Star Factory will purchase it together, you will summarize a list of the quantities and models and specifications of the IGBT we need, and after giving it to me, send someone to the General Manager Chen Guihong of the Procurement Center of the Red Star Factory." ”

"Okay. ”

Zhao Ke immediately went to work on this matter, got a list of the quantities and models of IGBTs needed, and sent them over to Tang Fei first.

Tang Fei took the list, glanced at it roughly, and was slightly surprised, "Why are there more than a few, the latter ones are not what we need for our DJ4 traction motor system." ”

Zhao Kedao: "Yes, the latter ones are what we need on the DJ4 control cabinet, since we want to purchase, then hand it over to the Red Star Factory to import from abroad." ”

Tang Fei agreed.

The list was quickly sent to Chen Guihong, who compiled it and faxed it to his Uncle Liu.

At present, it seems that the IGBT needed for these cars in the early trial production of DJ4 motor locomotives is temporarily enough, and Chang Jinlin of Hongxing Factory was relieved to learn that Chen Guihong would get things done.

As a reborn person, Tang Fei knows that the DJ4 electric locomotive will be put into mass production in the future, as well as the future Harmony series electric locomotive, including future EMUs, high-speed rail, and subways.

These locomotives require a large number of IGBTs, the "CPU" of power electronic devices, especially EMUs, and each EMU requires more than 10,000 IBGTs.

With such a huge demand, we cannot always rely on imports.

In fact, for a long time in the future, we will rely on imports, and we have paid a great price to import this kind of thing from abroad at a high price, and we have been stuck in the neck.

It was not until more than ten years later that the high-power IGBT required by the rail transit industry was gradually localized, and it gradually got rid of the dependence on imports, and our electric locomotives completely used our own IGBTs.

China's high-speed rail is world-famous, with excellent performance, fast and stable driving, and a one-yuan coin erected on the speeding high-speed rail locomotive can be kept for a long time.

Such a smooth driving performance is inseparable from the large use of IGBTs and other "CPUs" in the field of power electronics on locomotives.

Rather than relying on imports and being stuck by others, it is better to develop and manufacture by yourself.

Tang Fei had this idea for a long time, and now after this incident, this idea is even stronger, and after thinking about it, Tang Fei is ready to do this thing.

Jiuzhou Industrial Co., Ltd. develops and manufactures IGBT by itself.

For the rail transit industry in China, but also for their future development. Because the future market prospect of IGBT is very broad.

IGBT is the core device of energy conversion and transmission, and is the "CPU" of power electronic devices. The strategic significance is extraordinary, and Tang Fei is firmly confident that he must develop and manufacture them.

IGBT is divided into many specifications, such as 600V or less, 600V, 1200V, 1700V, etc., all the way to 6500V, or even higher voltage.

According to the application fields of voltage distribution, the following 600V is mainly used for electronic products, such as digital cameras, 1200V is mainly used for household appliances, the voltage is a little higher, mainly used for motor control, welding machines, etc., 6000V, 6500V and above, mainly used in rail transit, smart grid, wind power generation and other fields.

What Tang Fei intends to do is 3000V, and above the voltage of IGBT, the target is tentatively mainly in rail transit, and after it is bigger, it can provide IGBT products with excellent performance for smart grids, wind power generation and other fields.

Others may be relatively unfamiliar with IGBT, but Tang Fei is more familiar with it, and even knows the development and upgrading of the entire IGBT.

The first generation of IGBT appeared in 1988, that is the plane penetration type IGBT, this generation of IGBT defects are more, in 1990 immediately appeared the second generation of IGBT, called the improved plane penetration type.

The third generation, the fourth generation, the fifth generation, the sixth generation and other IGBTs have appeared one after another, and now it is 1998, if Tang Fei remembers correctly, the fourth generation of IGBT has just come out in the research laboratory of a famous electrical group in the United States.

Tang Fei is well aware of the upgrading of IGBT, and also knows the technical differences between IGBT generations, Tang Fei made up his mind, since I want to do it, I will start from the fifth generation. Start a generation ahead of others.

At present, the second or third generation of IGBT is mainly used in the international market, such as the third generation of IBGT is needed for DJ4 electric locomotives.

The fourth-generation IGBT has just been born in the research laboratory and has not yet been introduced to the market in large quantities, but Tang Fei knows that since the American electrical giant has been successfully developed, with their strong sense of patent and intellectual property protection, it is estimated that they have begun to apply for various patented technologies.

It is a little inappropriate to engage in the fourth generation of IGBT by yourself, which may involve their patented technology, and then it will be more troublesome to say that they are infringing and getting into unnecessary lawsuits.

Since we want to do it, then let's engage in the fifth generation of IGBT, take the lead in the start, step by step, step by step.

If you are stuck in our necks, I will get the fifth generation of IGBT out, a generation ahead of you, and let you follow behind and eat ashes.

That's it, let's engage in the fifth generation of IGBT.

The fifth-generation IGBT, also known as the "electric field cut-off" IGBT, has a smaller chip area, better saturation step-down, power loss and other properties than the fourth-generation IGBT.

The construction of two professional electronic and electrical workshops is almost complete, there is no shortage of plants, and the equipment is a problem, but since it has been decided to do it, the problem of equipment can definitely be solved.

In addition, it is professional and technical personnel, since it is to do IBGT, it needs specialized electronic and electrical engineering talents, Sun Xu is counted as one, but Sun Xu alone is not enough.

IBGT's technical team must have a group of people, at least two or three core technical personnel, and then recruit some technical personnel in the electrical or electronic field as a supplement.

Tang Fei looked at his "god-level industrial master" system, after successfully developing the DJ4 control cabinet with simple mode last time, there were still 500 gold coins, which was enough to summon a core talent in the field of electrical engineering.

Well, call now.

By specifying the type of summoning and spending 400 gold coins, Tang Fei successfully summoned an electrical expert, and a new introduction appeared in the system's summoning bar.

Tang Zhonghua, an electronic engineer and an expert in the field of microelectronics, is mainly engaged in the research, design and manufacture of power semiconductor devices......

After reading Tang Zhonghua's basic introduction, Tang Fei was overjoyed, he hit with one shot, and his luck was too good, and he summoned the experts who needed the semiconductor devices that were convenient.

It can be seen that Tang Zhonghua understands electronic engineering and microelectronics, and is better at research in the field of semiconductors. It's almost tailor-made for itself, and it's still expert.

There are two leaders in IGBT, namely Tang Zhonghua and Sun Xu, and a few technical talents will be added, if recruited from outside, an IGBT technical team can be initially formed.

You're ready to go!

………

Continue to three more today, the first one will be sent!