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  • Why The Output Power Of Photovoltaic System Does Not Reach The Ideal Power
  • Why the output power of solar system does not reach the ideal power

    There are many factors that affect the output power of a photovoltaic power station, including the amount of solar radiation, the tilt angle of the solar cell module, dust and shadow obstruction, and the temperature characteristics of the module.

    The system power is too low due to improper system configuration and installation. Common solutions include:

    (1) Before installation, check whether the power of each solar panel is sufficient.

    (2) Adjust the installation angle and orientation of the solar panel.

    (3) Check the solar panels for shadows and dust.

    (4) Check whether the voltage of the solar panels after series connection is within the voltage range. If the voltage is too low, the system efficiency will be reduced.

    (5) Before installing multiple strings, check the open circuit voltage of each string. The difference should not exceed 5V. If the voltage is found to be wrong, check the wiring and connectors.

    (6) It can be connected in batches during installation. When each group is connected, the power of each group is recorded. The power difference between strings does not exceed 2%.

    (7) The ventilation in the installation place is not smooth, the heat of the inverter is not dissipated in time, or it is directly exposed to the sun, causing the inverter temperature to be too high.

    (8) The inverter has dual MPPT connections, and the input power of each channel is only 50% of the total power. In principle, the design and installation power of each channel should be equal. If it is connected to only one MPPT terminal, the output power will be halved.

    (9) Poor contact of cable joints, too long cables and too thin wire diameters will cause voltage loss and eventually power loss.

    (10) The grid-connected AC switch capacity of the photovoltaic power station is too small and cannot meet the inverter output requirements.

  • Precautions for paralleling Bluesun off-grid inverters
  • Precautions for paralleling Bluesun off-grid inverters

    1. The off-grid inverter can realize up to 6 parallel inverters, multiple parallel inverters can be realized to form a single-phase system, and 3 to 6 inverters can be paralleled to form a three-phase system.

    2. For off-grid inverter parallel systems, all lithium batteries need to use bus copper bars or battery combiner boxes to connect all lithium batteries together in parallel.

    3. When using low-voltage lithium batteries in parallel, in addition to connecting the power cables and communication cables, you also need to set the DIP switch of the lithium battery, set the address of the lithium battery, set the host to address 1, and set the address of the subsequent batteries in sequence.

    4. Off-grid multiple parallel systems use busbars or combiner boxes. When placing orders, attention should be paid to adding power cables from the combiner box or busbar to the inverter.

    5. The inverse control integrated machine can realize split-phase use of up to 6 machines. The split-phase system can output two voltages of 120V and 240V at the same time. This demand is mostly in the Americas, and there are two voltage appliances in the home.

  • The Difference Between Hybrid Solar System And Off-grid Systems
  • The difference between hybrid solar system and off-grid systems:

    1. Off-grid systems cannot sell electricity. In application scenarios where customers do not sell electricity, off-grid systems are preferred.

    2. The protection levels are different: mixed network IP65, off-grid machine IP20

    3. The battery voltage levels are different: the battery voltage of the off-grid system is mainly 24 or 48V, and there is no high-voltage system

    4. Off-grid systems are cost-effective


    Off-grid system application scenarios:

    1. Regions mainly in the Middle East and Africa

    2. No electricity is sold, mainly for self-use.

    3. Areas with unstable or no power grid

    4. It is necessary to flexibly use multiple parallel machines to realize single-phase parallel machine or three-phase parallel machine.


    One of the advantages of high-frequency off-grid machines is that they output pure sine waves, and the power quality is better than modified sine waves.

    Our company mainly provides the following products for reverse control integrated inverters:

    3.5KW European version inverter: BSM-3500LV-24, BSM-3500LV-24-DA (cannot be paralleled)

    5.5KW European version inverter: BSM-5500LV-48, BSM-5500LV-48-DA (can achieve parallel operation of up to 6 units)

    10.2KW European version inverter: BSM-10200LV-48 (cannot be paralleled)

    ④ 3KW US version inverter: BSM-3000USLV-48 (two units must be used to output split-phase voltage)

    ⑤ 10KW US version inverter: BSJ10KW-JP (cannot be paralleled)

    ⑥ 5KW American version inverter: Shuori SYP 5K-U (can parallel up to 6 machines)

  • What Is The Main Difference Between Customized Energy Storage Container & Standard Shipping Container?
  • Craftsmanship


    Standard Shipping Container

    Customized Energy Storage Container


    Structure: Relatively little steel material, 6 sides
    (only a pair of double doors at the end)

    steel materials, 6 sides (end a pair of double door + side four pairs of full door), with the body depends on the specific arrangement of the project


    standardized assembly line production operation, less manual working hours

    can not flow into the production operation, the labor time cost is high


    paint color number 5010 blue, 9003 traffic white, 7035 gray

    Regular paint + local color mixing


    A pair of double door locks

    five pairs of door locks


    wood floor

    steel floor (galvanized steel + pattern dry floor)


    6 surfaces without insulation

    insulation of 6 surfaces (thickness of rock wool insulation board 50mm-100mm)


    the side plate roof and door plate are SPA-H weathering steel, and the others are Q235 low carbon steel

    side plate roof and door plate are SPA-H weathering steel, other surfaces according to the requirements of the project select


    Container No.

    Standard containers have the same appearance and structure. The box comes with a certified container number and weight mark when it leaves the factory, with no additional

    The structure of each customized container is different and should be customized according to the structure of each container. Additional fee needed for container certificate.



    the weight of a 20-foot container is within 2-3 tons, and the weight of a 40-foot container is within 3-4 tons.

    The weight of a 20-foot container ranges from 3-5 tons, and the weight of a 40-foot container ranges from 7-10 tons.




    Steel shutters/aluminum alloy shutters (aluminum alloy shutters are generally used, which are more waterproof)

    Alarm system


    Emergency start and stop button + gas fire extinguishing/fire alarm controller

    Combustible system


    Combustible system detector+host

    Ventilation system


    Side wall fan (including air intake and exhaust)

    Fire Fighting System


    Heptafluoropropane / Perfluorohexanone

    Environmental control system


    camera + temperature and humidity sensor

    HVAC system


    wind channel/Air conditioners

    Electrical components


    Explosion-proof light + emergency light + switch + switch socket

    Wiring and auxiliary materials


    HVAC + environmental control wiring + power distribution

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