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Brand |
Sungrow |
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Part Number |
SG3125HV-MV-30 |
SG3400HV-MV-30 |
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Production Series |
— |
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Input (DC) |
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Max. PV input voltage |
1500 V |
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Min. PV input voltage / Startup input voltage |
875 V / 915 V |
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MPP voltage range |
875 – 1300 V |
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No. of independent MPP inputs |
2 |
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No. of DC inputs |
16 / 18 / 22 / 2 4 / 28 (max. 24 for floating system) |
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Max. PV input current |
3997 A |
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Max. DC short-circuit current |
10000 A |
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PV array configuration |
Negative grounding or floating |
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Output (AC) |
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AC output power |
3125 kVA @ 50 ℃ / 3437 kVA @ 45 ℃ |
3437 kVA @ 45 ℃ |
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Max. inverter output current |
3308 A |
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AC voltage range |
20 kV – 35 kV |
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Nominal grid frequency / Grid frequency range |
50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz |
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Harmonic (THD) |
< 3 % (at nominal power) |
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DC current injection |
< 0.5 % In |
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Power factor at nominal power / Adjustable power factor |
> 0.99 / 0.8 leading – 0.8 lagging |
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Feed-in phases / AC connection |
3 / 3-PE |
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Efficiency |
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Inverter max. efficiency |
99.0% |
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Inverter Euro. efficiency |
98.7% |
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Transformer |
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Transformer rated power |
3125 kVA |
3437 kVA |
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Transformer max. power |
3437 kVA |
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LV / MV volatage |
0.6 kV / (20 – 35) kV |
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Trnsformer vector |
Dy11 |
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Transformer cooling type |
ONAN (Oil-natural, air-natural) |
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Oil type |
Mineral oil (PCB free) or degradable oil on request |
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Protection & Function |
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DC input protection |
Load break switch + fuse |
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Inverter output protection |
Circuit breaker |
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AC MV output protection |
Circuit breaker |
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Surge protection |
DC Type I + II / AC Type II |
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Grid monitoring / Ground fault monitoring |
Yes / Yes |
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Insulation monitoring |
Yes |
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Overheat protection |
Yes |
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Q at night function |
Optional |
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General Data |
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Dimensions (W*H*D) |
6058 * 2896 * 2438 mm |
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Weight |
15 T |
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Degree of protection |
Inverter: IP65 / Others: IP54 |
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Auxiliary power supply |
5 kVA (optional: max. 40 kVA) |
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Operating ambient temperature range |
-35 to 60 ℃ (> 50 ℃ derating) |
-35 to 60 ℃ (> 45 ℃ derating) |
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Allowable relative humidity range |
0 – 100 % |
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Cooling method |
Temperature controlled forced air cooling |
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Max. operating altitude |
1000 m (standard) / > 1000 m (optional) |
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Display |
Touch screen |
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Communication |
Standard: RS485, Ethernet; Optional: optical fiber |
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Compliance |
CE, IEC 62109, IEC 61727, IEC 62116, IEC 62271-202, IEC 62271-200, IEC 60076 |
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Grid support |
Q at night (Optional), L/HVRT, active & reactive power |
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Other Specifications |
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Central Inverter SG3125/3000/2500HV-MV-30
Looking for a reliable, high-efficiency powerhouse for your utility-scale solar farm? The Sungrow SG3125/3000/2500HV-MV-30 is built exactly for that. Thanks to its cutting-edge three-level technology, this inverter reaches an impressive maximum efficiency of up to 99% — squeezing every possible kilowatt-hour out of your panels for maximum energy yield. Day-to-day operation and maintenance? We’ve made it straightforward:
- Built-in current and voltage monitoring lets you spot and fix issues quickly with real-time insights.
- The modular design means faster servicing and less downtime when something needs attention.
- Plus, a handy external touch screen keeps everything easy to check and control.
Installation and costs stay smart too. It arrives in a compact 10-foot container that slashes shipping and on-site setup expenses, while the 1500 V DC system trims overall project costs even further. Grid compliance is rock-solid — it meets key international standards like IEC 62116 and IEC 61727, handles low- and high-voltage ride-through smoothly, and delivers precise active/reactive power control for seamless grid integration. Bottom line: If you’re developing large-scale solar farms, commercial arrays, or industrial renewable projects and want outstanding efficiency, lower lifetime costs, rock-solid reliability, and genuinely user-friendly features — the SG3125/3000/2500HV-MV-30 delivers. Ready to maximize your solar investment? This is the central inverter that makes big energy ambitions practical and profitable.
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