There is nothing more bizarre in the world than to turn a seemingly joking sentence into reality.

This feels like someone's friend scolding him inexplicably, and then one day someone was surprised to find that this friend had really become his stepfather.

On the schematic diagram, there are things that resemble kites, but unlike kites, the part above the sky looks quite complex, with small characters specially marked by Li Fanyu, such as a collection plane, an energy conversion system, and a regulated output port.

In an instant, the schematic diagram attracted the attention of those around him.

Looking at the simple, but not sloppy schematic diagram on the plan, the expressions of everyone present were roughly like: ('゚Д゚ ́)!?

Surprised, bewildered.

The surprise is that what Li Fanyu said about using natural energy to generate electricity is really a joke.

And the confusion lies in the fact that everyone can clearly understand the simple schematic diagram, but they don't know why they are searching for their stomachs.

Han Zhaojun looked at the schematic diagram carefully, and then looked at You Zhongyang beside him awkwardly, "Director You seems to be your specialty, can you tell you what the principle of this thing is?"

In fact, You Zhongyang had already paid all his attention to it when Li Fanyu was drawing.

He scratched the back of his head, "This one painted by Li Dong should be a stratospheric power station." The principle is roughly to lift a photovoltaic collection terminal to the stratosphere, use the stable light there, convert light energy into electrical energy, and then use this ...... The 2,500-meter-long ......"

I can't make it up anymore!

You Zhongyang closed his mouth when he said this, he thought so in his heart.

This thing painted by Li Fanyu has actually existed theoretically for a long time. But that's what things are in this world, theory is theory, reality is reality.

Theories can often be catalyzed into reality by technical means, but theories often become a thorough, and they cannot be realized for hundreds or thousands of years.

After his explanation, Han Zhaojun was even more confused.

"What is the stratosphere?"

As a person who studies Marx's basic theory, this word is a little unfamiliar.

"Ahem, the stratosphere refers to the altitude of eight to fifty kilometers, and the temperature in this area is basically constant, and the air flow is generally smooth. In the stratosphere, there is a plane at a certain height with zero laminar winds. In other words, on this surface, there is basically no wind and clouds. ”

Han Zhaojun snorted and swallowed back the constant sentence in his stomach.

A sense of intellectual powerlessness arises spontaneously at this moment.

Li Fan smiled foolishly and praised: "Director You is insightful. This power plant, I call it a stratospheric power station. The main principle is to take advantage of the fact that there is no obscuration of clouds above the stratosphere, and the atmospheric flow is stable. A system in which light energy nearly above the ground is effectively converted into electricity and output to the ground. ”

"Li Dong, I understand the reason. But...... How do you send this light harvesting system into the sky and ensure its stability? How can you ensure that the converted electricity is safely transmitted back to the ground?"

Facing You Zhongyang's questioning, Li Fanyu picked up a red pencil. Seeing everyone's bewildered looks, he decided to take a simple popular science, while writing and drawing, he said: "Let me talk about the basic idea, solar power stations are environmentally friendly and sustainable, there is no energy depletion problem, because there is no moving mechanical device, so the failure rate is low." But as you just said, its main drawback is that it needs to occupy a lot of land resources to build a solar power plant, and the conversion rate is low.

With the improvement of science and technology, the photoelectric conversion efficiency will be higher and higher. However, the former and the latter are the bottlenecks that limit the development of solar power.

The main innovation point of stratospheric power station technology is that combined with the characteristics of China's population, less land per capita, more mountains and fewer plains, we are very constrained in the construction of solar ground power stations, so why not look to the sky?

In the stratosphere of the atmosphere about 10-50 kilometers from the ground altitude, it is difficult for the clouds to reach this height, where the air is dry, there is little dust and water vapor, the atmosphere flows smoothly, there is almost no influence of harmful gases, and the solar power station built in the stratosphere is 5~10 higher than the ground solar power station of the same scale Although the sunshine time is shorter than that in the synchronous orbit, it is very close to the stratosphere from the ground, and the nearest point is only about ten kilometers, and the electrical energy can be transmitted directly by wire, and the technical constraints are greatly reduced. ”

Seeing the expression of "I understand, you go on" on everyone's faces, he smiled, "And our stratospheric power station is taking advantage of this advantageous place." Large stabilized fan blades driven by solar energy, combined with high-altitude balloons, solar cells and stabilized transformers, achieve power generation efficiency of 30%-60%. Equipped with a special superconducting cable with a strength of 200,000 N per cubic centimeter and an electrical loss of no more than 1%, it is directed into the underground power grid. ”

You Zhongyang obviously understood it completely, and he said with 120,000 points of excitement: "Genius creativity!"

But then, he questioned even more: "But Li Dong, as far as I know, the highest light energy conversion rate of photovoltaic cells is only 40%. And I've never heard of a superconducting cable with a 200,000N eyebrow cubic meter strength. ”

Li Fanyu spread his hands, "You'll see you soon." ”

"You mean to say?!"

"That's right, we don't believe in any of these things. ”

You Zhongyang's waist flashed.

Li Fanyu threw the pencil on the table, "However, I will soon make them a reality." ”

Through the explanation, Han Zhaojun has roughly understood. Seeing Li Fanyu's determination, he hesitated for a moment, and finally made up his mind.

"Dong Li, I want you to assure me that this thing of yours is not a joke. ”

"Secretary Han, the power supply system of the new industrial zone is related to the production capacity of Zhengxin in the future, do you think I am joking?" Li Fanyu replied seriously.

Han Zhaojun looked at him for a long time before finally nodding: "That's good." Li Dong, if you can make this stratospheric power station and verify that it can be put into use stably. Then, I will propose at the municipal meeting that the urban power grid planning rights of the new industrial zone be handed over to you Zhengxin!"

Li Fanyu smiled slightly, "In cooperation with the stratospheric power station, there are other technologies involving street to transportation, urban transportation...... Secretary Han, take a look, haha,"

I wasted half a day, just want a grid plan?

Scold!

Li Fanyu's face was harmless to humans and animals.