FAQ

Microinverter
DTU
S-Miles Cloud
  • Q:
    What is the DC/AC ratio of Hoymiles microinverters?
    A:

    We recommend that the ratio be between 0.8 and 1.35 depending on your solar project.

  • Q:
    How does Hoymiles microinverter cope with high temperatures?
    A:

    First of all, we put electrolytic capacitor, the most important and fragile component of a microinverter in the coolest part inside its body, ensuring the longevity of the microinverter while not compromising the overall performance.

    Second, our microinverter is known for high conversion efficiency, namely converting as much DC current generated by PV modules into usable AC current as possible. The higher the conversion efficiency, the less the heat produced. Hoymiles microinverters got the best CEC weighted efficiency of 96.5% and CEC peak efficiency of 96.7%. The industry-leading efficiency maximizes the energy harvest and helps users get the best returns on their solar investment.

    The enclosure of the Hoymiles microinverter is designed in such a way that dissipates heat quickly (natural convection). The aluminum enclosure makes the product light and more erosion resistant.


  • Q:
    What are the protection mechanisms of Hoymiles microinverters?
    A:

    Our microinverters are built with all-around protection mechanisms such as anti-islanding protection, input reverse polarity protection.

  • Q:
    Where can I get more product information?
    A:

    Our resources section is designed to help you learn about our products and how they support reliable, high-performing solar installations.

  • Q:
    I'm not sure whether my microinverter is working properly -
    A:

    Your primary contact is your installation partner. Contact them directly and, if necessary, we will provide extra support to help resolve the problem. If you can't find a local installer or you are an DIY customer, contact us for more help.

  • Q:
    Why is the LED on my microinverter flashing red?
    A:

    This may indicate an issue with your grid voltage. Contact your installer for more support.

  • Q:
    What is MPPT efficiency?
    A:

    Maximum Power Point Tracking (MPPT) is a technique used with variable power sources to maximize energy extraction as conditions vary.

    MPPT efficiency represents how effectively a microinverter tracks to the maximum power point. In short, the higher the efficiency, the more output power you will get from each panel. Ultimately, this determines the return on your solar investment.


  • Q:
    What are the advantages of Hoymiles compared with other microinverter makers?
    A:

    We offer a full range of products from 1-in-1, 2-in-1, 4-in-1 to 8-in-1, meaning that a single microinverter can connect one, two, four, or eight panels at once. We also have single-phase and three-phase products for different settings.

    Our microinverters cover a wide output power from 300 VA to 5000 VA and are compatible with 166/182/210 modules.

    Our microinverters have been certified globally and can be seamlessly tied to your local grid. You will always be able to find the right one for your solar journey.

    Our microinverters boast high efficiencies. Our excellent 99.8% MPPT efficiency ratings make sure that more of your panel production is turned into usable energy. 

  • Q:
    Does Hoymiles microinverter support three-phase systems?
    A:

    Yes, you can either choose our HMT-2000-4T/MIT-5000-8T high-powered three-phase microinverter or use our single-phase products HMS series to form a three-phase system.

  • Q:
    How does Hoymiles microinverter achieve power export management ?
    A:

    The Hoymiles Smart Power Export Management can intelligently control the output power of the photovoltaic system, and maximize the user’s power generation profits without violating grid export regulations. At the same time, this system can also accurately display the power and production of the photovoltaic system with the measuring meter, so that users can trade check the PV production online according to data on S-Miles Cloud.

    In the Hoymiles Export Management solution, Hoymiles gateway DTU-Pro (or DTU-Pro-S) and additional meter (CT optional) are necessary. In the case of export limitation, the meter can be installed at the load side or the grid side.  The gateway DTU will dynamically adjust the PV power production according to the export power or load consumption as measured by the meter, so that the export power does not exceed the preset limit. To display the PV production accurately, the meter needs to be installed at the output of the PV system to enable the user to get the PV power production remotely.

    You can see our installation demonstration here.


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