Wind, and solar is the two most important sources of renewable energy, which wind and solar combination system has become a new system to maximize the use of these two energy sources. In this article, we will introduce the composition of this system and its working principle of power generation in detail.
The composition of solar energy system:
In most of solar electricity energy systems, it consists of these basic components as below:
1. Solar panel;
2. Inverter;
3. Energy storage battery;
4. Loads;
The working principle of solar energy system
Firstly the sunlight will activate the solar panels, while the cells in solar panel will absorb the sunlight to produce the electricity which is called DC electricity. Then the DC electricity will be converted into AC electricity by inverter to power the loading. In the event of surplus power, it will be stored in a storage battery to power the loading at night or in the event of a power outage.
How many kinds of wind turbines as usual?
In the market, There are two types of wind turbines, horizontal axis and vertical axis, the cost of horizontal one is lower, with high power generation efficiency, while the price of the vertical axis in the same power is high, but it has the advantage of a small size and aesthetics.
Although wind energy is not so stable compared to solar energy, but the cost of wind turbine construction is not high. In some cloudy areas it is also a good choice to invest in a small part of the capital to reduce their energy costs.
As usual, small wind turbine power 300W 400W 500W, etc., medium-sized 1kw 2kw 3kw, etc., their wind running speed is usually in the 2-3m/s. According to the different styles of blade, the materials can be nylon or fiberglass.
The composition of solar and wind energy system:
In some places where it is lack of sunlight, they will use the wind turbine to produce the electricity as supplements.
1. Solar panels;
2. Off-grid inverters;
3. Energy storage battery;
4. Wind turbine;
5. Wind controller;
6. Loads;
In addition to the solar panels generating electricity, wind turbines can also generate electricity with the help of the wind, and the wind controller will be activated to store the electricity in the battery for UPS backup use.
One thing has to be mentioned in the system is that the electricity from wind turbine is a direct current (DC), it does not go through the inverter in the power generation process, and directly connected to the charge controller and the battery, so in order to be able to work together, the voltage of the wind turbine needs to be the same as the voltage of the storage battery. For example, the energy storage battery pack is 48V 100Ah, then the wind turbine voltage needs to be 48V, otherwise voltage is not match, then it will lead to the system can not operate.
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