GoodWe MS G3 Series Inverter Review

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5-10 kW | Single Phase | 3 MPPT

GoodWe, a leading player in the renewable energy sector, offers the MS G3 series inverters – a compelling option for Australian households looking to maximise their solar power generation. This series caters to residential solar installations, boasting features and specifications designed for optimal performance under the Australian sun.

goodwe ms-g3-inverter

Key features of the GoodWe MS G3 Series

  • Triple Maximum Power Point Trackers (MPPTs):  The MS G3 shines with its three independent Maximum Power Point Tracking (MPPT). This allows you to optimise power generation even on complex rooftops with panels facing different directions or experiencing varying degrees of sunlight exposure. Each MPPT tracks the maximum power point of its connected solar panel string, ensuring you get the most out of your entire system.
  • Ultra-low startup voltage (50V):  Australian mornings can start with relatively low light levels. The MS G3’s impressive 50V startup voltage means your inverter converts solar energy into usable electricity earlier in the day, maximising your overall power generation.
  • High input current capability:  The MS G3 series supports a maximum DC input current of 20A per MPPT. This makes it ideal for handling high-power solar panels, a trend gaining traction in the Australian market. By efficiently utilising these advanced panels, you get the most out of your solar investment and potentially lower your Levelized Cost of Energy (LCOE).
  • Potential Induced Degradation (PID) Recovery:  PID is a phenomenon that can affect solar panel performance over time. The MS G3 boasts a built-in PID recovery function that helps mitigate this degradation, ensuring your solar panels maintain optimal output for longer.
  • Fanless natural convection cooling:  The MS G3 series utilises a fanless cooling system. This translates to quiet operation, a welcome feature for residential installations where noise can be a concern.
  • Easy software updates:  Keeping your inverter software up-to-date ensures optimal performance and access to the latest features. The MS G3 allows for quick and convenient software updates via a USB connection.
  • Compact and stylish design:  The MS G3 is designed for easy integration into your home. Its compact size makes it suitable for indoor installation, and its sleek design complements modern aesthetics.

Specifications of GoodWe MS G3 Series

  • Available Models: 5kW and 10kW
  • MPPTs: 3
  • Maximum DC Input Voltage: 1100V
  • Maximum DC Input Current per MPPT: 20A
  • Maximum AC Output Power: 5kW or 10kW (depending on model)
  • Maximum AC Output Current: 22.3A or 44.6A (depending on model)
  • Warranty: 10 years standard (extendable)
goodwe ms-g3-inverter
goodwe ms-g3-inverter

GoodWe MS G3 Series Inverter warranty information

It’s important to note that the standard warranty for the GoodWe MS G3 series is 10 years. However, some Australian solar retailers may offer extended warranty options. Be sure to inquire about warranty details when purchasing your inverter.

Applications of the GoodWe MS G3 Series Inverter

The GoodWe MS G3 series is perfect for residential solar power systems in Australia. Its features make it particularly suitable for:

  • Homes with complex roof layouts where panels face different directions.
  • Systems utilising high-power solar panels.
  • Noise-sensitive environments where quiet operation is desired.

Pros of the MS G3 Series

  • Triple MPPT (Maximum Power Point Tracking): Ideal for complex roofs with panels facing different directions, maximising energy production even in shaded conditions.
  • High efficiency and power output: Offers maximum efficiency up to 97.7% and supports up to 200% DC oversizing, allowing for potential future system expansion.
  • Wide input voltage range: A low startup voltage of 80V enables electricity generation even during low-light conditions.
  • Durable design: IP65-rated enclosure protects against dust and water ingress, suitable for Australian weather conditions.
  • Optional features: Integrates AFCI (Arc Fault Circuit Interrupter) for enhanced safety and can include a PID recovery function to improve solar panel performance.
  • 10-Year Warranty: Provides peace of mind with a comprehensive warranty on the inverter (excluding additional components).

Cons of the MS G3 Series

  • Monitoring platform: Some users find the GoodWe monitoring platform basic and need more advanced features.
  • Potential de-rating in hot climates: The fanless design might reduce power output during extremely hot weather conditions.

Is the GoodWe MS G3 Series right for you?

The MS G3 is an excellent choice for Australian homes with:

  • Complex roof layouts with panels facing multiple directions.
  • A desire to maximise solar energy production and efficiency.
  • Budget-conscious homeowners seeking a reliable inverter with a competitive price point.

However, you might consider alternative options if you prioritise a feature-rich monitoring platform or are concerned about operating temperature.

The GoodWe MS G3 series inverter offers a compelling solution for Australian households with complex roof layouts. Its three MPPTs ensure optimal power generation, while the robust design and warranty provide peace of mind.  Carefully weigh the inverter’s strengths and potential drawbacks against your specific needs before making a decision.  For homeowners seeking a reliable and efficient inverter at a competitive price, the GoodWe MS G3 is definitely worth considering.

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