Solar inverters play a crucial role in converting the direct current (DC) output of Solar panels into alternating current (AC) that can be used by home appliances and the grid. In the Australian market, several brands stand out, but today, we’ll focus on three prominent ones: GoodWe, Fronius, and Sungrow.
1. GoodWe DNS G3 Series
- Efficiency: Maximum efficiency of 98.3%.
- Protection: Integrated DC switch, supports export control.
- General Data: Dimensions of 347 x 432 x 175 mm and weight of 11.5 kg.
- Operating Temperature: -25°C to +60°C.
- Noise: ≤ 25 dB(A).
- Communication: Wi-Fi, Ethernet, and RS485.
- Certifications: AS/NZS 4777, IEC 62109, etc.
2. Fronius Primo GEN24 Plus
- Efficiency: Maximum efficiency of 97.6% and European efficiency of up to 97.1%.
- Protection: Integrated DC isolation measurement, reverse polarity protection, and DC disconnector.
- General Data: Dimensions of 530 x 474 x 165 mm and weight of 15.4 kg.
- Operating Temperature: -40°C to +60°C.
- Noise:
- Communication: Wi-Fi, 2 x Ethernet LAN, and RS485.
- Certifications: IEC 62109, AS/NZS 4777.2, etc.
3. Sungrow SG3.0/5.0RS Inverter
- Description: The Sungrow SG3.0/5.0RS is a double-MPPT string inverter designed for a 600 Vdc system. It is compatible with high-power PV modules and bifacial modules. The inverter offers a lower startup and wider MPPT voltage range. Additionally, it comes with a built-in smart PID recovery function.
- Key Features:
- High yield due to compatibility with high-power PV modules.
- Integrated arc fault circuit interrupter.
- Built-in Type II DC & AC SPD.
- Corrosion protection rating at C5.
- User-friendly setup with plug-and-play installation.
- Real-time data with 10 seconds refresh sample.
- 24/7 live monitoring both online and with an integrated display.
- Online IV curve scan and diagnosis.
- Technical Data:
- Max. PV input voltage: 600 V
- Min. operating PV voltage / Start-up input voltage: 40 V / 50 V
- Rated PV input voltage: 360 V
- MPP voltage range: 40 – 560 V
- No. of independent MPP inputs: 2
- Max. PV input current: 32 A (16 A / 16 A)
- Rated AC output power: 3000 W
- Max. AC Output power: 3000 VA
- Rated AC voltage: 220 / 230 / 240V
- AC voltage range: 154 – 276 V
- Max. efficiency: 97.9%
- Country of manufacture: China
Comparison Table between Goodwe, Fronius, Sungrow (single phase inverters)
| Parameter | GoodWe DNS G3 | Fronius Primo GEN24 Plus | Sungrow SG3.0/5.0RS |
| Country of Origin | China | Austria | China |
| Maximum Efficiency | 98.30% | 97.60% | 97.90% |
| Dimensions | 347 x 432 x 175 mm | 530 x 474 x 165 mm | 410 x 270 x 150 mm |
| Weight | 11.5 kg | 15.4 kg | 10 kg |
| Operating Temperature | -25°C to +60°C | -40°C to +60°C | -25 to 60 ℃ |
| Noise | ≤ 25 dB(A) | Not specified | |
| Communication | Wi-Fi, Ethernet, RS485 | Wi-Fi, 2 x Ethernet LAN, RS485 | Ethernet/WLAN/RS485/DI |
| Cost in Australian Dollar for 5kw inverter | $750 | $2,750 | $1,000 |
Recommendations:
- Depth: The GoodWe inverter provides a detailed breakdown of its features, making it easier for users to understand its capabilities. It would be beneficial for Fronius and Sungrow to provide a similar level of detail in their datasheets.
- Expertise: Fronius stands out in terms of the technical expertise displayed in their datasheet, showcasing their long-standing experience in the industry.
- Credibility: All three brands are well-established in the market. However, certifications like AS/NZS 4777 highlight the product’s compliance with Australian standards, adding to its credibility.
- User Intent Fulfilment: For homeowners looking for a quiet inverter, GoodWe’s ≤ 25 dB(A) noise level might be more appealing than Fronius’s
Conclusion:
While all three inverters have their strengths, the choice would ultimately depend on the specific needs and preferences of the user. It’s essential to consider factors like efficiency, noise levels, and certifications when making a decision.
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The post Solar Inverter Comparison: GoodWe vs. Fronius vs. Sungrow first appeared on Solar Power Nation.
