QDTB® Transformer

QD-SI-3

SI-1000 · string-inverters

QD-SI-3 | QDTB®

3kW string grid-tie inverter, 1100V DC input, single-phase 220V output.

Key parameters

Rated Power
3 kW
Max DC Voltage
1100 V
MPPT Trackers
2
AC Voltage
220 V
Frequency (Hz)
50 Hz
Max Efficiency
97.5 %

Detailed Technical Specifications

Rated Power3 kW
Max DC Voltage1100 V
MPPT Trackers2
AC Voltage220 V
Frequency (Hz)50 Hz
Max Efficiency97.5 %
Protection LevelIP65

Product Drawing

string-inverters - QD-SI-3

String Inverter TopologyPV DCinputMPPTDC/DCDC linkDC/ACbridgeACgridDCTransformerless IGBT bridge
DC → AC Conversion (MPPT + H-Bridge)inputgridIGBT H-bridge · LC filter
Efficiency vs Load98.5%Load (%)Efficiency (%)peak

Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.

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All specifications and dimensions can be customized upon request