QDTB® Transformer

QD-SI-125

SI-1500 · string-inverters

QD-SI-125 | QDTB®

125kW string grid-tie inverter for C&I, 1500V DC input, 8 MPPT inputs.

Key parameters

Rated Power
125 kW
Max DC Voltage
1500 V
MPPT Trackers
8
AC Voltage
380 V
Frequency (Hz)
50 Hz
Max Efficiency
99.0 %

Detailed Technical Specifications

Rated Power125 kW
Max DC Voltage1500 V
MPPT Trackers8
AC Voltage380 V
Frequency (Hz)50 Hz
Max Efficiency99.0 %
Protection LevelIP66

Product Drawing

string-inverters - QD-SI-125

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