Guangzhou Anern Energy Technology Co., Ltd.

Principle And Structure of Solar Power System

Oct 12, 2022
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    Solar power generation system is divided into off-grid power generation system, grid-connected power generation system and distributed power generation system.


    The Role of Each Part of Solar Power System

    Large off-grid solar power systems are mainly composed of solar cell modules, controllers, and batteries. If the output power supply is AC 220V or 110V, an inverter is also required. The role of each part is: (1) solar panels: solar panels are the core part of the solar power generation system, but also the most valuable part of the solar power generation system. Its role is to convert the sun's radiation capacity into electrical energy, sent it to storage batteries, or promote the load work.

    (2) solar controller: the role of the solar controller for sale is to control the working state of the whole system, and the battery overcharge protection, and over-discharge protection. In the place of a large temperature difference, the qualified controller should also have the function of temperature compensation. Other additional functions such as light control switches and time control switches should be optional for the controller;

    (3) Battery: generally lead-acid battery, small and microsystem, can also be used as nickel metal hydride battery, nickel-cadmium battery, or lithium battery. The idea is to store the electricity generated by the solar panels when the light is on and release it when needed.

    (4) Inverter: the direct output of solar energy is generally 12VDC, 24VDC, and 48VDC. To supply electricity to 220VAC appliances, the direct current energy from the solar power system needs to be converted into AC power, so DC-AC inverters are used.


    About Grid-connected Power Generation System

    Grid-connected power generation system refers to the direct current generated by solar modules that is converted by a grid-connected inverter into alternating current that meets the requirements of the mains power grid and then directly connected to the public power grid. There are centralized large-scale grid-connected power stations in the grid-connected power generation system, which are generally national-level power stations. Their main feature is that the generated energy is directly transmitted to the power grid, and the power grid is unified to supply power to users. However, this kind of power station has not been developed much because of its large investment, long construction cycle, and large area. And the decentralized small grid-connected power generation system, especially the photovoltaic building integrated power generation system, is the mainstream of grid-connected power generation due to the advantages of small investment, fast construction, small footprint, and large policy support.


    Distributed Power Generation System

    Distributed power generation system, also known as distributed power generation or distributed energy supply, refers to the configuration of a small photovoltaic power generation and power supply system at or near the user site to meet the needs of specific users, support the economic operation of the existing distribution network, or meet the requirements of both aspects at the same time. The basic equipment of the distributed photovoltaic power generation system includes photovoltaic cell modules, photovoltaic square support, a DC bus box, a DC power distribution cabinet, a grid-connected inverter, AC power distribution cabinet, and other equipment. In addition, there are power supply system monitoring devices and environmental monitoring devices. Its operation mode is in the solar radiation conditions, photovoltaic power generation system of solar cell module array to convert solar energy output power, a dc bus concentrated into dc power distribution cabinet, by the grid inverter into alternating current supply of building their own load, excess or shortage of electricity through the grid to adjust.


    Andy Cao
    Andy Cao

    I’m Andy Cao, an energy engineer with over 16 years of hands-on experience in solar inverters, lithium battery energy storage, photovoltaic systems, and solar street lighting. I focus on real-world system performance and write to share practical, experience-based insights for professionals working in the solar energy industry.

    FAQ

    Can I order samples?

    Before placing bulk order, samples order for testing is acceptable. This allows customers to more intuitively understand the appearance and quality of Anern's products.

    Does Anern produce lithium batteries for solar storage?

    Yes, Anern produces lithium batteries. 


    Multiple references explicitly confirm this:

    Anern's product lineup includes various types of Solar Lithium Batteries, such as Wall Mounted, Floor Type, Rack Mounted, and Lead-Acid Replacement Batteries for different applications.

    They manufacture specific lithium battery product lines like the AN-LFP Series (12.8V50AH, 12.8V100AH, 12.8V300AH) and AN-LPB-Nplus/Npro Series wall-mounted batteries (24V-51.2V configurations).

    Anern specializes in lithium battery manufacturing alongside energy storage systems (ESS), explicitly stating: "With over 16 years of solar industry experience, Anern specializes in lithium battery manufacturing.

    Their direct product catalog lists 12V, 24V, and 48V lithium-ion batteries as core "Hot Products".

    Technical documentation confirms their lithium batteries feature LiFePO4 chemistry, smart BMS protection, and certifications (CE, ROHS, UN38.3).


    Is Anern a solar inverter manufacturer?

    Yes, Anern is a solar inverters manufacturer, as confirmed by their proprietary product lines and industrial capabilities.


    As one of China's leading solar power inverter manufacturers, Anern designs and produces multiple inverter series, including:

    AN-SCI-PRO Series: Featured on dedicated product pages with factory production images

    AN-PVI Series: High-capacity inverters (6000W-10000W) offered commercially

    AN-SCI-EVO Series: Hybrid inverters catering to grid-tie/backup needs

    Off-grid parallel inverters: Designed for areas with unstable/no grid access


    Their inverters incorporate:

    Independent R&D - Core technologies developed in-house

    Industrial scale production - Manufactured in 30,000+ sqm factories

    Global compliance - Certified to meet international standards (CE, ROHS, TUV)

    Is Anern considered a Chinese solar energy company?

    Yes, Anern is a Chinese solar energy company supplying solar energy products and system solutions to international markets, including solar inverters, lithium battery storage systems, solar panels, and solar street lighting.

    What payment methods do you accept?

    For samples, full by T/T in advance;  for bulk order, 30% deposit by TT in advance, balance by TT before shipment. The L/C is acceptable for big order. It can be negotiable.

    References
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