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Optimizing Solar Power Systems: The Role of Advanced Combiner Boxes
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Optimizing Solar Power Systems: The Role of Advanced Combiner Boxes

Short Description:

The DC busbar is one of the key equipment in the solar photovoltaic power station, which is mainly used to centrally collect the direct current energy generated by the photovoltaic module and transmit it to the AC inverter for further transformation and transmission. It is usually composed of DC switches, busbars, fuses, metering devices, communication modules and enclosures.

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    Product Detail

    hot sale factory sale pv combiner box for solar

    Key Components and Functions
    Input Circuits: The combiner box typically has multiple input circuits, each corresponding to a string of solar panels. These circuits are equipped with fuses or circuit breakers to protect against overcurrent.
    Output Circuit: The combined output from all the input circuits is fed into a single output circuit, which is connected to the inverter.
    Monitoring and Control: Advanced combiner boxes may include monitoring and control features, such as current and voltage monitoring, as well as remote control capabilities.
    Safety Features: Combiner boxes are designed with safety in mind and may include features such as ground fault protection and surge protection.
    Importance in PV Systems
    The combiner box plays a crucial role in the overall efficiency and reliability of a PV system. By combining the outputs of multiple solar panels, it ensures that the inverter receives a consistent and stable input, which is essential for maximizing the energy conversion efficiency. Additionally, the combiner box provides a centralized point for monitoring and controlling the performance of the solar panels, making it easier to detect and address any issues that may arise.

    Installation and Maintenance
    Proper installation and maintenance of the combiner box are essential for the long-term performance of the PV system. This includes ensuring that all connections are secure, fuses are properly rated, and the box is protected from environmental factors such as moisture and extreme temperatures. Regular inspections and maintenance can help prevent potential problems and ensure the continued operation of the PV system.

    Technieal Sepcifcation

     

    Model

    Rated voltage
    (V)

    Ratedcurrent
    (A)

    Rated short-circuit
    breaking current
    (KA)

      Rated short-time
    withstand current
          (IS)(KA)

         Rated peak
    withstand current
            (KA)

    CSGGD1

    380

    A

      1000

    15

    15

    30

    B

      600(630)

    C

      400

    CSGGD2

    380

    A

      1500(1600)

    30

    30

    63

    B

      1000

    C

     

    CSGGD3

    380

    A

      3150

    50

    50

    105

    B

      2500

    C

      2000

    Execution standard:GB 7251.12-2013/EC61439-2:2011 <low-voltage switchgear and controlgear

    assemblies-part 2: Power switchgear and controlgear assemblies>

     

    Technical parameter

     

    Product model

    CSGGD

    Number of inverter inputs

    1road-5road（It is recommended that an AC bus box be used）

    Number of grid-connected output channels

    1road

    Grid-connection requirement

    Three-phase grid-connected cabinet

    Grid-connected voltage

    AC：380V-AC：500V

    Switch brand (optional)

    Changsong, Delixi, Chint, Changshu, ABB, Schneider

    Protection function

     

    Short circuit protection

    There are

    Overload protection

    There are

    Lightning protection

    There are(Nominal current: In: 20KA, Imax: 40KA, UP≤4kV)

    Isolation protection(Visual breakpoint)

    There are (knife/disconnecting switch)

    Over and under voltage protection

    There are

    Automatic reclosing

    There are

    Panel manually open and close

    There are

    Optional function

    1, online power quality monitor; (optional)

    2, anti-island protection device; (optional)

    3, fault disconnecting device; (optional)

    Grid-connected switch

     

    Plastic case reclosing (100A-800A) (optional)

    1, power grid power failure or bias > 20%, automatic trip (0-10s delay trip time adjustable);

    2, the power grid returns to normal, automatic closing;

    3, manual operation can be switched to automatic operation;

    4, lack of phase protection, break zero protection

    5, check the pressure closing

    Universal frame Circuit Breaker (200A-4000A) (optional)

    1, power grid power failure or bias > 20%, automatic trip (0-10s delay trip time adjustable);

    2, the power grid returns to normal, automatic closing;

    3, manual operation can be switched to automatic operation

    4, lack of phase protection, break zero protection;

    5: Check the pressure closing

    Environmental applicability

     

    Temperature and humidity

    Operating temperature: -25 to 60℃ Storage temperature: -40 to 70℃ Humidity: 0-90% No frost no corrosive gas place (if there is, please specify)

    Service altitude

    ≤3000M

    Salt spray resistance

    Standard salt spray test 336 hours

    Conventional parameter

     

    Cabinet material

    Cold rolled plate spray, stainless steel

    Place of use

    Indoor type (customizable outdoor type)

    Cabinet type

    Distribution bin, measuring bin, transformer bin, isolation switch bin

    Installation mode

    Floor vertical mounting

    Cabinet size (D * W * H)

    600mm*800mm*2200mm/800mm*800mm*2200m (customizable)

     

    FAQ

    • 1. Is there protection against lightning strikes?

    • 2. Is there anything else besides the basic features?

    • 3.What material is the box made of?