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Do you know some basic knowledge about solar panels?

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Do you know some basic knowledge about solar panels?

Release date:2018-04-16 16:10 source://gxggrcw.com Click:

Before you know the real knowledge of solar energy, you need to know what is direct current and what is alternating current. ). Direct current (DC) refers to the direction of constant current (DC) and alternating current (AC) refers to the size and direction are cyclical changes in current (AC) alternating current (AC) with different waveforms, common is sine waveform.

First, meet the basic original ------ solar cells.

(1) single crystal: crystal cell is more rounded 125 * 125 mm, the surface of the blue, the color high purity, after with laminated glass show black, conversion efficiency is slightly higher than that of polycrystalline, more than 15%, about 30% of the total cell production;



(2) polycrystalline: polycrystalline cell for side Angle of 156 * 156 mm, the surface shallow blue, color purity is low, blue after and laminated glass, conversion efficiency is about more than 14% at present, about 70% of the total cell production;



(here you can think about why single crystals are more efficient than polymorphic, but yield far less than polymorphism?)

Assembling the solar cells is an important component - solar panels, which convert the sun's energy into electricity. The solar panel can be divided into many kinds. For example, the solar panel produced by xiamen yizhan energy technology co., ltd. can be divided into the following types:

A single crystal solar panel.

Polycrystalline solar panels.

(3) flexible plate

(4) folded plate

5 drops of rubber sheet

On the basis of solar panels, solar power generation system can be composed, which can be divided into two major systems: off-grid system and grid-connected system. The grid here refers to the state grid. Here we go:

Definition: refers to the use of electricity from the state grid. The off-grid generation system is mainly composed of solar panels, controllers, batteries and wires. If the output power is ac 220V or 110V, the inverter is also needed.



Off-grid system accessories list and function.

The role of solar panels: convert sunlight energy into electricity.

Line, alligator clip: connect board and board, board and battery, etc.

The function of the solar controller is to protect the battery overcharge, discharge time control, and prevent night recharging.

The effect of the off-grid inverter: convert the DC power from the solar panel into a home AC for the load.

The function of the battery: store the solar energy in the night to use.

Load: household load such as TV FAN, microwave, printer etc.

The role of the fuses: to ensure safety, the use of these accessories usually requires consulting local electrical engineers.

Grid definition: integrated into (access to state grid) and used. The grid-connected power generation system is the direct current generated by the solar panel, which is converted into an alternating current that meets the requirements of the municipal power grid and directly connected to the public power grid.



Grid-connected system accessories list and function.

The role of solar panels: convert sunlight energy into electricity.

The function of line and alligator clip: connecting board and board, board and battery, etc.

The function of the grid-connected inverter: convert the DC power generated by the solar panel into a household AC power, which is given priority for load use, and the load is not used up, which is fed directly to the power grid.


Related tags:Powersolarpanel

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