Highlights
- High Efficiency: 99.03% Max, 98.80% Euro
- 12 MPPTs: Optimized Power Tracking
- Bifacial Support: Up to 20A PV Current
- Cost-Effective: Aluminum Cable, PLC
- Reliable Design: IP68 Cooling, Monitoring
Sineng SP-275K-INH 275 kW 3-Phase Grid-Tied String Inverter
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Highlights
- High Efficiency: 99.03% Max, 98.80% Euro
- 12 MPPTs: Optimized Power Tracking
- Bifacial Support: Up to 20A PV Current
- Cost-Effective: Aluminum Cable, PLC
- Reliable Design: IP68 Cooling, Monitoring
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Description
The Sineng SP-275K-INH is a high-performance 275 kW 3-phase string inverter designed for large-scale commercial and utility solar installations. Engineered for maximum energy yield, it boasts an impressive 99.03% maximum efficiency and 98.80% Euro efficiency, ensuring optimal power conversion even under varying environmental conditions.
Equipped with 12 MPPTs, the inverter offers precise tracking of maximum power from up to 24 PV strings, accommodating high-power bifacial modules with a maximum MPPT current of 20 A. This feature enhances energy harvesting and system flexibility, making it ideal for diverse solar configurations.
The SP-275K-INH is built for durability and reliability. It features an IP68-rated cooling fan, integrated string monitoring, and standard connection terminals for quick installation. These design elements contribute to reduced system downtime and lower maintenance costs, ensuring long-term operational efficiency.
Grid compliance is seamlessly achieved with support for active and reactive power control, low harmonic distortion, and rapid response to grid regulation signals. This inverter is a cost-effective solution for maximizing energy output while maintaining grid stability.
Specification
Input (Solar/DC Side)
| Max Input Current per MPPT (A) |
40A |
|---|---|
| Max DC Voltage (V) |
1500 V |
| MPPT Voltage Range (V) |
500 ~ 1500 V |
| No. of MPPTs |
12 |
| Max DC Input Power (kW) |
297.5 kW |
Connector Specification
| Grid Connection |
3-Phase + Neutral + PE |
|---|
Output (AC Side)
| Frequency (Hz) |
50 Hz / 60 Hz |
|---|---|
| Grid Connection |
3-Phase + Neutral + PE |
| Rated AC Current (A) |
198.5A |
| Rated AC Voltage (V) |
800V |
| Rated Output Power (kW) |
275kW |
DB Specification
| Mounting Type |
Ground-mounted / Skid-mounted |
|---|---|
| Noise Level (dB) |
≤ 60 dB |
Mechanical Details
| Weight | 130 kg |
|---|---|
| Dimensions | 1180 × 733 × 350 cm |
| Mounting Type |
Ground-mounted / Skid-mounted |
Smart Features
| Communication Interfaces |
RS485 |
|---|
General
| Cooling Type |
Intelligent fan-cooling |
|---|---|
| Max Efficiency (%) |
99.03% |
| Phase | |
| Inverter Type |



