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11 Appendix
11.1 Technical Data
Parameters SG30KU SG36KU
Input Side Data
Max. PV input power 34100W 41000W
Max. input voltage 1000Vdc
Startup voltage 300V
Nominal input voltage 710V
MPP voltage range 280...950Vdc
MPP voltage range for nominal power 480...850Vdc 560...850Vdc
No. of MPPT(s) 2
Max. number of PV strings per MPPT 5
Max. PV input current(DC1/DC2) 33A*2
Max. input current for input connector 12A
Short-circuit current of PV input 60A*2
Output Side Data
Nominal AC output power 30000W 36000W
Max. AC output power(PF=1) 33240W 39800W
Max. AC output apparent power 33240VA 39800VA
Max. AC output current 40A 48A
Nominal AC voltage 480Vac
AC voltage range 422...528Vac
Number of Phases 3Ø/3W or 4W+Ground
Normal output frequency 60Hz
Grid frequency range 57...63Hz
THD
< 3 % (at nominal power)
DC current injection
<0.5%In
Power factor
>0.99 default value at nominal power
(adj. 0.8 overexcited...0.8 underexcited)
Protection
Anti-islanding protection Yes
LVRT Yes
DC reverse connection protection Yes
AC short circuit protection Yes
Leakage current protection Yes
DC switch Integrated
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