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China Suppliers Factory PV Water Pump Inverter with MPPT 400-800V for Efficient Solar Pumping Systems

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China Suppliers Factory PV Water Pump Inverter with MPPT 400-800V for Efficient Solar Pumping Systems

The Bangzhao PV pump system stands out from traditional AC pump applications by utilizing solar energy to generate electricity directly from solar cells. This innovative PV pump system employs a solar-powered inverter to drive an AC motor, enabling efficient water extraction from sources such as deep wells, rivers, and lakes. The system effectively transports water to various locations, fulfilling irrigation and supply needs, Our comprehensive PV pumping system features four essential components: a PV array, a high-performance PV pump inverter, a robust three-phase AC pump, and a reliable storage device. As a leading company in the solar energy sector, we pride ourselves on being top China suppliers and factory manufacturers of advanced PV pump systems, ensuring quality and efficiency in every product we deliver
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    Product Details

    Product Features

    Self-developed Maximum Power Tracking Technology (MPPT) maximises energy extraction and ensures normal pump operation, even on cloudy days or in insufficient light.

    Advanced power modules (e.g., Mitsubishi high-efficiency IPM intelligent power modules) deliver inverter conversion efficiency up to 99.6% or higher.

    Fully automatic operation, data storage, and complete protection functions. Works with water wells, towers, and level switches for unattended intelligent water pumping.

    LCD display function allows users to view and set various operation parameters, making monitoring and management convenient.

    Powerful protection functions including anti-dry burning, over-current, under-voltage, short-circuit, and blocking protections ensure safe operation of pump and inverter.

    Suitable for all three-phase AC water pumps. The whole system requires no batteries, reducing system complexity and maintenance costs.

    Customisable according to customers' special requirements to meet the needs of different application scenarios.

    Product Parameters

    Model: SPI-

    1.5KW

    2.2KW

    3.7KW

    5.5KW

    7.5KW

    11KW

    15KW

    18KW

    22KW

    D.C. Input

    Max. Input Voltage (VDC)

    600V

    850V

    Recommended MPPT Voltage

    300–600V

    400–800V

    Max. MPPT Efficiency

    99%

    Number of Strings

    1

    1

    1

    1

    1

    1

    1

    1

    1

    AC Bypass Input Function

    Optional

    A.C. Output

    Max. Motor Output Power (KW)

    1.1–1.5

    2.2

    3–3.7

    4.5–5.5

    7.5

    9.2–11

    13–15

    18.5

    22

    Rated Output Voltage

    220V Single Phase

    380V Three Phase

    Output Frequency Range

    0–50/60 Hz

    Rated Output Current (A)

    9

    13

    22

    11

    15

    22

    30

    35

    45

    Other Parameters

    Protection Level

    IP65

    Operating Temperature

    -25℃ ~ +60℃; above 60℃ requires derated operation

    Cooling Method

    Natural Cooling

    Display

    LCD

    Communication

    RS485 (Optional)

    Altitude

    Up to 3000m; above 3000m requires derated operation

    Noise Emission

    <50 dB

    Compliance

    EN62109-1:2010; EN62109-2:2011; EN61000-6-3; EN61000-6-1; EN61000-3-12; EN61000-3-11
    Frequently Asked Questions
    Q What is MPPT and why is it important for solar water pump inverters?
    MPPT (Maximum Power Point Tracking) is a technology that continuously adjusts the electrical operating point of the solar panels to extract the maximum available power under varying light conditions. For solar water pump inverters, this means the pump can operate efficiently even on cloudy days or during low-light periods, significantly improving overall system performance and water output.
    Q Does the solar water pump inverter require batteries to operate?
    No. The SPI series solar water pump inverter is designed to work without batteries. The system draws power directly from the photovoltaic panels, which reduces system complexity, lowers upfront costs, and minimises long-term maintenance requirements.
    Q What types of water pumps are compatible with this inverter?
    The SPI series inverter is compatible with all standard three-phase AC water pumps. It supports motor output power ranging from 1.5KW up to 22KW, making it suitable for a wide range of agricultural irrigation, water supply, and industrial pumping applications.
    Q What protection features does the SPI solar pump inverter include?
    The inverter is equipped with comprehensive protection functions including anti-dry burning protection, over-current protection, under-voltage protection, short-circuit protection, and motor blocking protection. These safeguards ensure the long-term safe and reliable operation of both the pump and the inverter itself.
    Q Can the inverter be used in remote or high-altitude locations?
    Yes. The SPI inverter is rated for operation at altitudes up to 3000 metres without any derating. For installations above 3000m, derated operation is required. With an operating temperature range of -25℃ to +60℃, an IP65 protection rating, and natural cooling design, it is well-suited for remote, off-grid, and harsh outdoor environments.
    Q Is customisation available for special application requirements?
    Yes. The SPI series can be customised to meet customers' specific requirements, including special voltage ranges, communication protocols, enclosure configurations, or control logic. Please contact our technical team to discuss your application needs and we will provide a tailored solution.

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