Fronius Symo x.x-3-S - Manuale (Pagina 58)

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Fronius Symo 15.0-3-M 17.5-3-M 20.0-3-M
Input data
MPP voltage range
320 - 800 V DC 370 - 800 V DC 420 - 800 V DC
Max. input voltage
(at 1,000 W/m²/ -10 °C in an open circuit) 1000 V DC
Min. input voltage 200 V DC
Max. input current (MPP1 / MPP2) 33.0 / 27.0 A
Max. short circuit current of the solar mod-
ules (I
SC PV
) (MPP1 / MPP2)
49.5 / 40.5 A
Max. feedback current
4)
49.5 / 40.5 A
Output data
Nominal output power (P
nom
) 15000 W 17500 W 20000 W
Max. output power 15000 W 17500 W 20000 W
Nominal grid voltage 3 ~ NPE 220/230 V / 380/400 V
Min. grid voltage 150 V / 260 V
Max. grid voltage 280 V / 485 V
Nominal output current at 220 / 230 V 22.7 / 21.7 A 26.5 / 25.4 A 30.3 / 29 A
Max. output current 32 A
Nominal frequency 50 / 60 Hz
1)
Total harmonic distortion < 1.5 % < 1.5 % < 1.25 %
Power factor cos phi 0 - 1 ind./cap.
2)
Max. output fault current per period 960 A / 4.22 ms
General data
Maximum efficiency
98 %
European efficiency U
DCmin
/ U
DCnom
/
U
DCmax
96.2 / 97.6 / 97.1 % 96.4 / 97.7 / 97.2 % 96.5 / 97.8 / 97.3 %
Overnight self-consumption 0.7 W & 117 VA
Cooling system Controlled forced-air ventilation
Degree of protection IP 66
Dimensions h x w x d 725 x 510 x 225 mm
Weight 43.4 kg / 43.2 kg
Permissible ambient temperature -25 °C - +60 °C
Permitted humidity 0 - 100 %
EMC device class B
Overvoltage category DC / AC 2 / 3
Pollution level 2
Noise emission 65 dB(A) (ref. 1pW)
Protection devices
DC insulation measurement
Integrated
Response to DC overload Operating point shift, power limitation
DC disconnector Integrated
RCMU Integrated