Application scenarios and installation forms of photovoltaic brackets.Part 2

Dec 26, 2019

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Common ground support insertion forms

Slot installation, aluminum rail features:


1. The main body of the solar power bracket is made of structural steel, and its surface is hot-dip galvanized, with a service life of more than 20 years;

2. Good compatibility of various parts and convenient installation;

3. Convenient maintenance;

4. Strong adaptability to the ground.


Ground Truss Type

Features:

1. Use spiral ground pile, easy to operate (other ground fixing methods can also be used);

2. Adapt to many different types of geology;

3. The beam adopts reinforced design aluminum guide;

4. Slots for installing components are designed on the aluminum guide rail, and the installation and fixing of the components are simple and convenient.


Ground single pole fixed form

Features:

1. Adopting support aluminum rail specially designed for installing crystalline silicon components, making it very convenient to install and fix solar modules, reducing installation time;

2. The load-bearing parts such as columns and beams have been strengthened to meet the requirements of large working loads;

3. Wiring grooves are integrated on the beams, making construction more convenient.


Tracking bracket form

A single-axis tracking system that rotates around a one-dimensional axis so that the plane of the photovoltaic module is incident as much as possible by sunlight.


The flat single-axis tracking system, oblique single-axis tracking system


Structural features:

1. Self-balancing structure, reducing mechanical wear and extending motor life;

2. Driven by a slewing bearing reducer without gaps;

3. Simple structure, easy to install and maintain;

4. Made the consumable and consumable parts into standard products, and the motor is easy to maintain and replace.


Control part features:

1. Tracking the entire process without shadow occlusion of adjacent systems;

2. The tracking system has a self-return function at night;

3. Adopt the time control method according to the sun's running trajectory;

4. With strong wind and snow protection function, improve the safety performance of the power station;

5. With network monitoring function, to achieve centralized control, suitable for large power stations.


Dual-axis tracking

According to the control mode, the dual-axis tracking system can be divided into the time-controlled type and light-controlled type.


Calculate the incident angle of sunlight in real-time according to the geographical location and local time, and adjust the photovoltaic module to a specified angle through the control system, which is also called astronomical control mode or clock control mode.


The sensing device measures the incident angle of the sunlight to control the rotation of the photovoltaic module and track the incident angle of the sunlight.


Mechanical part:

1. Non-eccentric structure: The center of gravity of the grid frame coincides with the axis of the mechanical structure, maintaining the balance of positive and negative torques, reducing the power consumption of the motor and extending the service life of the machine and the motor

2. Weight-lifting structure: reduce the vibration of the grid in the running state and improve the wind resistance;

3. Two sets of slewing bearings: good anti-torque performance and stable system.


Control section:

1. Automatic time-controlled tracking according to the astronomical algorithm of the sun's trajectory, with high tracking accuracy, not affected by the external environment such as weather;

2. Standard industrial plug, with anti-misplug and reverse plug functions, easy to install;

3. All external interfaces adopt photoelectric isolation measures, strong anti-interference ability, and stable operation;

4. Industrial communication interface, which can easily form a monitoring network and realize the function of centralized control.