Sungrow SG125CX-P2 User Manual

7 iSolarCloud App User Manual
Parameter Explanation Range
QU_V4
Grid voltage limit at P4 on the Q(U) mode
curve
100% ~ 120%
QU_Q4 Value of Q/Sn at P4 on the Q(U) mode curve 0 ~ 60%
QU_EnterPower Active power for Q(U) function activation 20% ~ 100%
QU_ExitPower Active power for Q(U) function deactivation 1% ~ 20%
QU_EnableMode
Unconditional activation/deactivation of
Q(U) function
Yes / No / Yes,
Limited by PF
QU_Limited PF Val
ue
PF value for Q(U) function activation 0~0.95
* Curve C is reserved and consistent with Curve A currently.
figure 7-20 Q(U) Curve
7.8.4 Communication Parameters
Serial Port Parameters
Tap Settings > Communication Parameters > Serial Port Parameters to enter the corre
sponding screen, as shown in the following figure. The device address ranges from 1 to 246.
figure 7-21 Serial Port Parameters
7.8.5 Firmware Update
To avoid download failure due to poor on-site network signal, it is recommended to download
the firmware package to the mobile device in advance.
Perform firmware update only during high irradiance conditions in order to prevent equipment
failure.
104

Sungrow SG125CX-P2 Specifications

General

Max. DC Voltage	1100 V
Rated AC Power	125 kW
Max. DC Power	150 kW
Start-up Voltage	200 V
MPPT Voltage Range	200 V - 1000 V
Max. Short-circuit Current per MPPT	40 A
Max. AC Power	137.5 kW
Max. AC Current	198 A
Rated AC Voltage	400 V
Rated Grid Frequency	50/60 Hz
Total Harmonic Distortion	<3%
Power Factor Adjustment Range	0.8 leading to 0.8 lagging
DC Connection Type	MC4
Protection Class	IP66
Maximum DC Input Power	150 kW
DC Inputs per MPPT	2
Cooling Method	Smart forced air cooling
Operating Temperature Range	-25°C to +60°C
Humidity Range	0 - 100%
Communication	RS485, Ethernet