Wind power and photovoltaics have obvious seasonality and volatility

Introduction Wind power and photovoltaics have obvious seasonality and volatility. Wind power and photovoltaics have obvious seasonality and volatility. The increase in the proportion of wind and photovoltaic power generation will affect the stability of the power sys

Wind power and photovoltaics have obvious seasonality and volatility

Wind power and photovoltaics have obvious seasonality and volatility, and the increase in the proportion of wind and photovoltaic power generation will affect the stability of the power system.

Wind power generation mainly relies on wind energy, a natural energy source. Since wind speeds in different regions are closely related to climate change, the supply of wind energy also has significant seasonality. For example, during active monsoon periods such as winter or spring, available wind resources will be more abundant; while in summer or other dry, less rainy environments, factors such as sandstorms may affect the availability of wind resources.

At the same time, some specific geographical locations (such as mountains) also have certain requirements for wind stability. This means that at different points in time, electricity production will ebb and flow. Although modern technology can smooth these fluctuations by storing excess electricity, there are still certain challenges and technical limitations. ?

Solar photovoltaic (PV) systems, on the other hand, operate by converting light into electricity. However, the intensity of sunlight also changes with weather conditions, including cloud cover, daylight hours, and UV radiation intensity. This will affect the photoelectric conversion efficiency, thereby further affecting the stability of the power output.

The principle of wind power generation

The devices required for wind power generation are called wind turbines. This kind of wind turbine can be roughly divided into three parts: wind wheel (including tail rudder), generator and tower.

The wind wheel is an important component that converts the kinetic energy of the wind into mechanical energy. It is composed of several blades. When the wind blows towards the blades, aerodynamic force is generated on the blades to drive the wind wheel to rotate. The material of the paddle requires high strength and light weight, and is often made of fiberglass or other composite materials.

The iron tower is the structure that supports the wind wheel, rudder and generator. It is generally built relatively high in order to obtain larger and more uniform wind force and to have sufficient strength. The height of the tower depends on the impact of ground obstacles on wind speed and the diameter of the wind wheel. It is generally in the range of 6-20 meters.

The function of the generator is to transfer the constant rotation speed obtained from the wind wheel to the power generation mechanism through increased speed for even operation, thereby converting mechanical energy into electrical energy.

Which is more promising, wind power or photovoltaic

Both photovoltaic and wind power are currently recognized as new clean energy sources with little impact on the environment.

However, although it is claimed to be clean energy, strictly speaking, whether it is photovoltaic or wind power, it will have a certain impact on the environment.

For example, photovoltaics will have the following impacts on the environment:

1. The layout of photovoltaic panels will take up a lot of space.

2. During the production process of photovoltaic panels, trichlorosilane and silicon tetrachloride will be produced, which are substances that have an impact on the environment and human health.

For example, wind power will also have an impact on the environment during the deployment process.

It is said that,Large-scale deployment of wind power will affect atmospheric circulation and cause changes in ambient temperature.

It is also said that large-scale deployment of wind power will affect the circulation of water vapor in the atmosphere and affect the distribution of rainfall zones.

Leaving aside whether the above statement is accurate, the two new energy sources of photovoltaic and wind power themselves have not yet achieved 100% no impact on the environment. ...it will have some impact to some extent.

Of course, compared with traditional energy sources, photovoltaic and wind power have very little impact on the environment and are environmentally friendly enough. This is why these two new energy sources and other new energy sources have such advantages. extensive development.

Photovoltaics.

In daily life, there are many photovoltaic application scenarios. For example, rural rooftop photovoltaics, or fishing-light complementary photovoltaics, or roadside street lamps equipped with solar power panels, etc. The size of the photovoltaic power generation panels can be changed according to different application scenarios. It can be said that photovoltaic application scenarios are the most extensive. As for wind power generation, the most common ones are huge wind turbines standing in the fields.

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