ZGR SOLAR STR 250
Operation manual
www.zigor.com
43
7
TECHNICAL SPECIFICATIONS
Equipment
ZGR SOLAR STR 250
INPUT (DC)
Maximum voltage DC
1500 V
MPPT voltage range
600
–
1500 Vdc
Full load MPP voltage
880 V ~ 1300 V
Nominal input voltage
1080 V
Star DC voltage
650 V
Number of strings input
24
Number of MPP
12
String per MPPT
2
Maximum input current per MPPT
30 A
Max. short-circuit current per MPPT
40 A
OUTPUT (AC)
Nominal AC output power
225 kW
Max. AC output power
250 kW
Nominal AC voltage
800 Vac, 640
–
920 V
AC connection
W + PE
Rated alternating voltage
400 Vac
AC grid frequency range
50/60 Hz ± 5 Hz
Power factor
0,8 lead / lag
THDi
< 3 %
EFFICIENCY
Maximum efficiency
99 %
European efficiency
98,5 %
PROTECTIONS
DC switch
Yes
Anti-islanding protection
Yes
Output over current
Yes
DC anti reverse connection
Yes
String fault Detection
Yes
DC surge protection
Yes
AC surge protection
Yes
Insulation detection
Yes
PID recover
Yes
AMBIENT AND MECHANICAL FEATURES
Working temperature
-25 ºC to +60 ºC
Protection level
IP66
