Do you know best home solar kit?


Component of best home solar kit

The best home solar kit is generally composed of photovoltaic array that is made up of solar cell modules, solar charge, discharge controller, battery bank, off-grid inverter, DC load and AC load. If the output power is 220V or 110V AC, an inverter is also required. Photovoltaic phalanx converts solar energy into electric energy under the condition of illumination. The solar charge and discharge controller supplies power to the load and charges the battery bank at the same time. In the absence of light, the battery bank supplies power to the DC load through the solar charge and discharge controller. Meanwhile, the battery also supplies power directly to the independent inverter, which is converted into alternating current by the independent inverter to supply power to the AC load.

Best home solar kit generation system classification

Solar power generation system is divided into off-grid generation system and grid-connected generation system. First of all, shall we talk about the Off-grid Power Generation System?

1. Off-grid power generation system is mainly composed of solar cell module, controller and battery, as well as AC inverter is needed to supply power for AC load.

2. Grid-connected power generation system means that the direct current generated by solar modules is converted into alternating current, conforming to the requirements of the municipal power grid by the grid-connected inverter, and directly connected to the public power grid. Centralized large-scale grid-connected power stations in the grid-connected power system are generally national-level power stations, which are mainly characterized by the direct transmission of the generated power to the power grid, and the unified distribution of power to users by the grid. However, this kind of power station is difficult to develop because of its large investment, long construction cycle and large area. The distributed small-scale grid-connected power generation system, especially the integrated photovoltaic building power generation system, is the mainstream of grid-connected power generation due to its advantages such as small investment, fast construction, small floor space and great policy support.

Factors to Consider

When you choose the solar system, you have many factors needed to be considered. There are some factors that you need to take into account when processing your best home solar kit purchasing plan as followed:

1.Where is the solar power system used?

2.What is the solar radiation situation there?

3.What is the load power of the system?

4.What is the output voltage of the system, DC or AC?

5.How many hours does the system need to work every day?

6.In case of cloudy and rainy weather without sunlight, how many days does the system need continuous power supply?

7.In the case of load, pure resistance, capacitance or sensitivity, what is the starting current?

8.Number of system requirements.

The Solar Panels

After talking about something in the solar system, now let’s move to the core part of the home solar kit that is the solar panel. It is the core part of solar power generation system. The role of solar panel is to convert the light energy of the sun into electric energy, and then store the output direct current in the battery. Solar panel is one of the most important components in solar power generation system. Its conversion rate and service life are the important factors to determine whether solar cell has use value.

1). Module design:

Designed in accordance with international Electrotechnical Commission IEC: 1215:1993, and 36 or 72 polysilicon solar cells are connected in series to form 12V and 24V modules of various types. This module can be used in various household photovoltaic systems, independent photovoltaic power stations and grid-connected photovoltaic power stations.

2). Features of raw materials:

Cell: Adopt high efficiency (16.5% or more) of the monocrystal silicon solar panel package, to ensure that the solar panel power generation sufficient.

Glass: Low-iron toughened sutured glass (also known as white glass), with a thickness of 3.2mm, has a light transmittance of more than 91% within the wavelength range of solar cell spectral response (320-1100nm), and has a high reflectance for infrared light greater than 1200nm. At the same time, the glass can withstand the radiation of ultraviolet rays from the sun, and its transmittance does not decrease.

EVA: The high quality EVA film with the thickness of 0.78mm added anti-ULTRAVIOLET agent, antioxidant and curing agent is used as the sealant of solar cell and the connecting agent between glass and TPT. It has high transmittance and anti – aging ability.

TPT: Fluorine plastic film, the back cover of solar cell, is white and reflects sunlight, so the efficiency of the component is slightly improved. Besides, due to its high infrared emistivities, it can also reduce the working temperature of the component, which is also conducive to improving the efficiency of the component. Of course, the fluorinated plastic film has the basic requirements of aging resistance, corrosion resistance and air permeability as required by solar cell packaging materials.

Frame: the aluminum alloy frame has high strength and strong mechanical impact resistance. It is also the most valuable part of the solar power system. Its role is to convert the sun’s radiation capacity into electrical energy, or sent to storage batteries, or to promote the load work.

Solar Battery

Solar battery is a very heavy component of home solar kit.The role of battery is to store the electricity generated by solar panels when there is light, and release it when needed. Solar battery is mainly composed of four kinds of lead-acid maintenance-free batteries, ordinary lead-acid batteries, colloid batteries and alkaline nickel-cadmium batteries. Domestic widely used solar batteries are mainly lead-acid maintenance free batteries and colloidal batteries. These two types of batteries, because it is “maintenance free” and the characteristics of less pollution to the environment, very suitable for reliable performance of solar power systems, especially unattended work stations.


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