Solar Panels/What is a photovoltaic stand?
What is a photovoltaic stand?
Photovoltaic bracket is a metal structural bracket designed in the solar power generation system to set up, installation, and fixed solar panels. The photovoltaic bracket carries the main body of the photovoltaic power station. As the bone of the photovoltaic power plant, it is an important part of the photovoltaic power generation system.
According to different environments and installation requirements, photovoltaic brackets can be divided into: fixed brackets, inclination -angle adjustable brackets, automatic tracking brackets, and flexible brackets.
What is a fixed photovoltaic support?
The fixed photovoltaic bracket is a bracket that allows the photovoltaic array to receive solar radiation in a fixed manner. The design of fixed photovoltaic brackets needs to keep the bracket from the perspective of receiving sun radiation at the perspective of the geographical location, environment, climate and other conditions in the local area. After the position is fixed, it will generally not adjust frequently.
According to the use scenario, fixed photovoltaic brackets are divided into: roof, ground, and water.
Roof:
Ground:
Water surface:
Fixed photovoltaic bracket has the following advantages
- High -fixed photovoltaic support for stability adopts a solid structural design and can maintain stability under various climate conditions. Whether it is summer or cold winter, fixed photovoltaic brackets can reliably support photovoltaic components.
- The low maintenance cost is that the fixed photovoltaic bracket does not have mobile parts, the structure is simple, and the production and installation are relatively convenient, so the maintenance cost is relatively low. Just check and clean photovoltaic components to ensure that it runs normally.
- Applicable wide fixed photovoltaic support for the venue is not high, suitable for various venues, including roof, ground, hillside, etc. Whether it is cities or villages, fixed photovoltaic brackets can be applied flexibly.
- Life span is long and has a long life of fixed photovoltaic brackets, which can generally reach more than 30 years.
What is the tuned angle of photovoltaic bracket?
The inclination angle adjustable bracket structure is similar to a fixed bracket, which is one more regulatory mechanism than a fixed bracket. The inclination angle of the inclination support can be adjusted by manually, adjust the turning point of the solar incident angle of the sun according to the season or cycle, and regularly adjust the fixed bracket inclination angle to increase direct sunlight absorption, which can increase the power generation of photovoltaic components.
What is an automatic tracking photovoltaic stand?
Tracking photovoltaic bracket refers to the photovoltaic bracket that automatically adjusts the angle of the photovoltaic array to follow the angle changes of the sun.
Tracking photovoltaic brackets are mainly divided into flat single -axis tracking brackets, oblique single -axis tracking brackets and dual -axis tracking brackets.
The photovoltaic power generation system established by the application tracking bracket can be adjusted automatically according to the light state, which can reduce the angle between the component and the direct light of the sun, which can usually increase the power generation by 10%-25%.
Tracking brackets are more suitable for complex terrain and are more used for centralized photovoltaic power stations.
Single -axis tracking photovoltaic support
A single -axis tracking bracket refers to the automatic tracking of the sunlight around the one -dimensional axis to change the position angle of the solar panel to achieve the maximum of the light and radiation intensity of the solar light on the battery panel, thereby increasing the transformation rate of photovoltaic.
The structure of the single -axis tracking bracket is relatively simple, with only one rotation axis. Single -axis tracking bracket can be divided into: flat single -axis tracking bracket, oblique single -axis tracking bracket
Single -axis tracking support
The flat single -axis tracking bracket refers to a bracket that tracks the sun rotation around a horizontal direction. The axis of the flat single -axis tracking bracket is generally north and south. Low latitudes.
The flat single shaft tracking consists of a battery plate support system, a shaft beam, a power -driven system, an electric control system, a central monitoring system.
Crowd single -axis tracking bracket
The oblique single shaft tracking bracket refers to the bracket that tracked the sun around a shaft rotation of a north -south tilt. The rotating shaft is tilted, and the three -point support structure is generally adopted. The oblique single -axis bracket is more suitable for medium and high latitudes.
Double -axis tracking photovoltaic support
The dual -axis tracking bracket has a rotating shaft in two directions, which can enable photovoltaic components to track the sunlight at the same time and height angle at the same time, thereby reaching the photovoltaic component to maintain vertical sunlight. The dual -axis tracking bracket can theoretically track the running trajectory of the sun to achieve zero incident angle.
What is photovoltaic flexible bracket?
Photovoltaic flexible bracket is a large span photovoltaic component support structure formed by a prestressed flexible cable structure. The flexible bracket structure system consists of a cable structure, support system, damping system, and anchor system. The pitch of the cable structure is usually between 20 meters and 40 meters, up to a maximum of 100 meters. At present, the commonly used cable structures include single -layer cable systems, double -layer cable systems, cable networks, etc.
Flexible brackets are divided into single -layer suspension structures, double cable truss structures, fish abdomen cable truss structures, and string structure
The flexible bracket allows the component to be higher than the ground 2 meters to 30 meters, and has the advantages of layout with a high clean air and a small amount of pile foundation under the component. Flexible photovoltaic brackets will be more suitable for a variety of large span application venues such as ordinary mountains, deserted slopes, pool fishing ponds, and forest land. It can effectively avoid adverse factors such as rising mountains and high vegetation. Waste as treasures greatly enhances the utilization of land.
Compared with traditional steel frame structure schemes, flexible photovoltaic brackets can save 35%of the amount of steel and reduce costs. The multi -angle adjustable design can be used to adjust the distance between the project to adjust the pitch to increase the power generation and achieve cost reduction and efficiency.
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