Description
Overview:
The GoodWe SDT G3 Series is designed for three-phase residential and small commercial PV systems, spanning a power range of 4 kW up to 30 kW, with support for advanced safety, high-efficiency power conversion, and smart control.
Key Technical Specifications:
| Specification | Value |
|---|---|
| Power Range | 4 kW – 30 kW across multiple models (e.g. GW4000, GW10K, GW20K, GW30K) |
| Max. Efficiency | Up to 98.6–98.7 % depending on model |
| European Efficiency | 98.0–98.3 % |
| Max. DC Input Oversizing | Up to 150 % |
| Max. AC Output Overloading | Up to 110 % |
| Max. DC Input Current per String | 22 A |
| MPPTs | 2 MPPTs across the 4‑30 kW range (some larger 25–30 kW models may offer 3 MPPTs) |
| MPPT Voltage Range | 140 V – up to 1000 V (model‑dependent) |
| Start‑up Voltage | 160 V |
| Max. DC Voltage | 1100 V |
| AC Output Voltage | 220/380 V, 230/400 V, or 240/415 V (3L/N/PE or 3L/PE) |
| Operating Temperature | –30 °C to +60 °C |
| Weight | 14.7–20 kg (depending on power class) |
| Cooling | Fanless for 4–15 kW models; small fan on higher models |
| Ingress Protection | IP66 for full outdoor-ready performance |
Protection & Safety Features:
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Integrated protections: anti-islanding, AC/DC overcurrent & overvoltage, short circuit, reverse polarity, residual current monitoring, DC switch
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Optional AFCI (Arc Fault Circuit Interrupter) for fire risk mitigation
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Optional Type II Surge Protective Device (AC and DC sides)
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Optional PID recovery and rapid or remote shutdown functions
Smart Control & Monitoring:
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Load consumption monitoring available 24/7
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Export power limiting configurable to meet grid regulations
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Communication via RS485, Wi-Fi, optional 4G or PLC; LED or LCD interface on higher models
Applications & Use Cases:
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Ideal for residential and small commercial rooftops, especially where system designers need flexibility in string layout
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Models up to 30 kW accommodate higher demand and offer future-ready capability
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Lightweight design and IP66 rating make it easy to install in challenging environments
Why choose it:
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Captures more energy with oversizing and overload capabilities
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Quiet and compact for rooftop and residential installations
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Optional safety modules make it compliant with evolving codes and regulations
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Suitable across various PV module formats, including high-current modules
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