Guangzhou Anern Energy Technology Co., Ltd.

How to Customize a 15KW Off-Grid Solar System Configuration?

May 19, 2024
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    Choosing the right solar system configuration is crucial for the system's performance. Especially when customizing a 15KW off-grid solar system, the selection of the inverter, charge controller, battery, solar panels, and mounting racks all need to be carefully matched. Here is a detailed interpretation of how to customize the configuration of a 15KW off-grid solar system.


    15KW Off-Grid Solar Inverter


    First, we need to confirm the system type. For an off-grid system, a 15KW off-grid solar system should be equipped with a 15KW inverter. This inverter features high efficiency, pure sine wave output, and is suitable for off-grid scenarios. Its smart LCD integrated display, adjustable AC charging current, and frequency self-adaptation functions make it perform excellently in different environments.


    MPPT Solar Charge Controller


    A 15KW inverter system needs to be equipped with a 192V 80A MPPT solar charge controller. The controller's MPPT tracking voltage range, maximum PV input voltage, and other parameters must meet system requirements to ensure efficient capture of solar energy under varying light conditions to provide sufficient power for the system.


    Solar Panels


    Determining the number of solar panels is crucial. Generally, the total power of the solar panels should be 60%-100% of the inverter power. For instance, with 380 watt solar panels as an example, configure 27 pieces of half-cut monocrystalline 550W solar panels to ensure the system works efficiently under various light conditions.


    PV Combiner Box


    For a 15KW solar system, a PV combiner box is needed. With two solar panels grouped together, configure 2 PV combiner boxes to ensure the system's connection and safety. The combiner box has a 1000VDC protection function and is suitable for solar systems over 5KW.


    Battery


    For an off-grid 15KW solar system, batteries are used for operation, thus a 58KWH lithium battery is required. The number of batteries should be a multiple of the system voltage to ensure that the system can continue to provide power for the home during the night or low-light conditions.


     Solar Panel Mounts


    Considering the number of 27 solar panels, 14 sets of solar panel mounts are needed. These mounts, made of anodized aluminum and stainless steel, offer adjustability and stability, suitable for various climate conditions.


    With the above configuration, you can ensure that each component of the 15KW off-grid solar system is fully matched to achieve optimum performance. This system not only provides clean power for homes but also ensures a stable and reliable power supply during power outages or shortages. Choose Anern for a sustainable energy future.

    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

    What types of solar inverters does Anern produce?

    Anern produces several types of solar inverters across multiple product series for different applications:


    Off-Grid Solar Inverters: Designed for areas without grid access or unstable power sources, supporting remote power access 12. For example:


    AN-SCI-PRO Series (2000/3200W models)

    AN-PVI Series (6000/10000W)

    Hybrid Solar Inverters


    IP65-rated Hybrid Inverters: Durable, all-weather inverters for grid-tie/backup systems. Includes AN-SCI-EVO series (e.g., AN-SCI-EVO10200, EVO4200/6200)

    UPS Hybrid Inverters: Models like the 2000-12000W solar inverter with UPS functionality for uninterrupted power supply

    Low Frequency Solar Inverters: Heavy-load industrial inverters for high-power applications. Features include driving pumps, air conditioners, and refrigerators 


    Specific product highlights:

    AN-FGI-DU4200 Series: Hybrid PV inverters for residential/commercial use

    AN-SCI02-PA Series: Off-grid parallel inverters (e.g., AN-SCI02-PA6200)


    Anern produces the following inverter power ratings and types:


    Power Ratings:

    1kW Inverters

    1.5kW Inverters

    2kW Inverters

    3kW Inverters

    4kW Inverters

    4.2kW Inverters

    5kW Inverters

    6kW Inverters

    6.2kW Inverters

    6.5kW Inverters

    7.2kW Inverters

    10kW Inverters

    10.2kW Inverters

    12kW Inverters


    Inverter Types:

    Single Phase Solar Inverter

    MPPT Solar Inverter - Integrated in controllers

    Off Grid Inverter

    Hybrid Solar Inverter

    High Power Inverters (commercial, up to 100KW)

    Commercial Solar Inverter

    UPS Solar Inverter

    Pure Sine Wave Inverter - Fundamental to all models

    Solar Power Inverter for Home - All residential models


    Note: Dual-output and on-grid capabilities are implied through hybrid and UPS systems.


    What type of lamp is used in street lights?

    We use SMD5730, EPISTAR and LG 3030 LED chips, with high light efficiency, low power consumption, wide luminous Angle and other characteristics.

    What solar applications use Anern energy storage systems?

    Anern's energy storage systems are used in the following solar applications:


    Residential Backup Power: 

    For home use during power outages, providing up to 6 hours of continuous power for average household consumption. These systems reduce grid reliance and electricity bills while storing excess solar energy.


    Commercial and Industrial Energy Management: 

    Installed in factories and businesses to store excess solar energy, reduce peak-hour grid consumption, and lower electricity costs. Systems are deployed in secure, ventilated locations for stability.


    Off-Grid Infrastructure: 

    Supports meteorological/hydrological observation equipment and other critical infrastructure in remote areas without grid coverage. Battery banks store solar energy converted via inverters for reliable operation.


    Agricultural Operations: 

    Powers farms by converting stored solar energy into AC electricity, maintaining agricultural activities during outages or grid instability.


    Large-Scale Solar Projects: 

    Used in independent photovoltaic power stations ranging from 10KW to 50MW capacity, enabled by parallel-connected hybrid inverters for solar energy conversion and storage.

    What does Anern do in the solar energy industry?

    Anern is a Chinese solar energy solutions manufacturer supplying solar inverters, lithium battery energy storage systems, solar panels, integrated on-grid and off-grid solar systems, and solar street lighting products for international markets.

    How long is the lead time for the product?

    3-7days for samples, 7-20 days for bulk order, depending on order quantity and production schedule.

    References
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