【Prose】The style of Xinjiang

Introduction [Prose] The wind in Xinjiang It was sunny on Friday, April 12, 2018. Spring is the season when all things recover. It seems to be a windy season as well, and Xinjiang is no exception. often

【Prose】The style of Xinjiang

Friday, April 12, 2018, the weather was sunny

Spring is the season of recovery for all things, and it seems to be a windy season as well, and Xinjiang is no exception. It often winds every three days. Sometimes for an afternoon, sometimes all night long, the strong wind kept roaring in my ears.

Especially at the beginning of spring, sometimes as soon as the wind starts blowing, it will last for several days, and you can only sleep with the sound of the wind at night. If you have a bit of a neurasthenia, you won't be able to sleep well in a season like this.

If the wind blows all night, when you wake up in the morning, there will be many dead branches scattered in the trees on both sides of the road or on the ground. They are of different thicknesses. These are the results of the spring wind. .

In my spare time, I also read some information on why Xinjiang is so windy. It is said that the overall terrain of Xinjiang is "three mountains sandwiched by two basins". The "three mountains" are the Kunlun Mountains in the south, the Tianshan Mountains in the middle, and the Altai Mountains in the north. The "two basins" are the Tarim Basin between the Kunlun Mountains and the Tianshan Mountains, and the Junggar Basin between the Tianshan Mountains and the Altai Mountains.

Perhaps the special terrain has created many places in Xinjiang that are the "wind outlets" of our great motherland. Therefore, frequent, strong and violent winds seem to have become a significant feature that distinguishes Xinjiang from other provinces.

Some people vividly say that the wind in Xinjiang is tangible. Wherever the wind blows, sand and rocks fly, the sky is dark and the earth is dark, the sun and the moon have no light, and the sand and dust are flying in the air, like a three-dimensional painting. , like fog and smoke, quickly drifting eastward, and tens of thousands of tons of sand and dust formed a sandstorm.

Many people said that a train was overturned in Toksun, Turpan region. It seems that similar news reports have been seen on the Internet. It is very common for cars to be overturned on ordinary roads.

When experienced car drivers encounter strong winds, they adjust the front of the car to the direction of the wind, follow the wind, and move forward slowly, even if they take more mistakes, But it can effectively avoid the risk of being scraped over, which is something that can't be helped.

Some people say that the wind in Xinjiang has blown away the sand mountains in Xinjiang, leaving only castle-like mounds. The locals call these traces carved by the wind It's called "Devil City", and some scholars call these wind relics "Yadan Landform". I can only say that it is a masterpiece of wind.

I think the most terrifying thing is the "tornado" in Xinjiang. Once on a train to Xinjiang, I saw a small tornado, soaring upwards, with dust rising suddenly. From a distance, it looked like a big funnel, which was a bit spectacular and scary.

In fact, if you think about it carefully, the wind is not useless. On the way to Turpan, we saw the largest wind power station in Asia - Dabancheng Wind Power Plant in Xinjiang, which is China's first large-scale wind power plant. There are currently 200 windmills installed, with an annual power generation capacity of 18 million watts. here we see, each windmill is seventy or eighty meters high.

A wind blade I saw was more than 40 meters long and weighed an unknown number of tons. A Steyr vehicle could only pull one blade at a time. After asking specifically, it turns out that installing a domestic windmill requires an investment of about 800,000 to 1 million yuan, and installing an imported windmill requires an investment of nearly 3 million yuan.

No one can count how many windmills are generating electricity in Xinjiang. Because of the wind, Xinjiang has become one of the regions with the richest wind resources in China. According to local reports, the annual wind potential here is more than 900 billion kilowatts, second only to Inner Mongolia.

Xinjiang has unique conditions for utilizing wind resources, and wind power will become an important alternative energy source in Xinjiang in the future.

From wind power generation, I feel the mystery of human wisdom and the infinite potential of wind energy.

Wind is a resource, it depends on how it is used and how people grasp it. May the wind always benefit mankind.

The faster the blades of a wind energy generator rotate, the greater the current and voltage it generates? Is the frequency higher?

1. Wind energy was stopped because its harm to the environment was far greater than its economic benefits, and it was not environmentally friendly. The dangers are: 2. Wind power generation will harm the local ecological environment, destroy vegetation, change the terrain, and cause soil erosion and desertification. 3. The electromagnetic radiation produced by wind power affects human habitation. In wind power systems, generators, substations and transmission lines are the main sources of electromagnetic radiation. Additional receivers in wind power plants, when receiving signals, will pick up electromagnetic wave signals reflected by the wind turbine blades. The reflected signal is a lagging signal that has a great impact on AM radio systems. 4. Wind power affects the local climate. Wind power is the use of wind energy in the atmosphere. According to the law of conservation of energy, the consumption and production of one type of heat will inevitably produce or consume another type of energy. Therefore, the power generation process of wind turbines will inevitably consume part of the wind energy in the atmosphere. As one of the important factors of climate change, wind energy will inevitably Will bring about climate change. 5. Wind energy blades are prone to safety accidents. When the wind turbine blades of a wind turbine are subjected to strong winds of more than 25m/s, the bending moment, torque, shear strength and extrusion strength that the blade roots can withstand are limited. In severe cases, the entire blade will fly out and cause personnel damage. Casualties and damage to buildings on roads. 6. Noise hazards from wind power generation. For such a large-scale fan, the noise is inevitable when the blades rotate with huge party fees. The noise of the fan blades can be roughly divided into three categories: thickness noise, which is caused by the compression of air and blades. In windy weather, with doors and windows closed, do you often hear sharp and harsh sounds, which feel like howling ghosts and wolves, coupled with the gloomy sky outside, it is a bit scary to think about it; load noise, as the name suggests, is caused by the large load on the blades. ; impulse noise, that is, when the Mach number is close to 1. In this way, the impact of noise on the environment cannot be ignored.

WindThe frequency and voltage of the energy generator are always constant. When the blade speed is increased, the power and current generated increase, and when the blade speed slows down, the power and current generated decrease.

Wind energy generators generate alternating current and do not need to be stored when running on the grid. There is more online absorption and less online replenishment. If there is no grid-connected operation, the alternating current should be converted into direct current and stored in the storage battery. The storage battery should then be converted into alternating current for power supply. The storage battery stores the battery when it is long and replenishes the battery when it is short to ensure the user's electricity.

Using battery storage is a helpless move that cannot be connected to the grid. Where conditions permit, it is operated on the grid. Using battery storage increases the cost.

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