Electrical Specifications; System Derating Factors - First Solar FS-380 User Manual

3

Electrical Specifications

MODEL NUMBERS AND RATINGS AT STC*
Nominal Values
Nominal Power (±5%)
Voltage at P
MA X
Current at P
MAX
Open Circuit Voltage
Short Circuit Current
Maximum System Voltage
Maximum Series Fuse
* As received and stabilized ratings at Standard Test Condition (1000W/m
Electrical specifications are subject to change. See the module label for additional electrical ratings.
3.1 System Derating Factors
Under normal conditions, a photovoltaic module may experience conditions that produce more current and/or more voltage
than reported at Standard Test Conditions. Accordingly, when determining component ratings, the values listed for open
circuit voltage should be multiplied by a calculated factor based on the low temperature open circuit voltage temperature
coefficient. Refer to First Solar Application Note PD-5-435 for additional information on the calculation of this voltage
multiplication factor. Values listed for current should be multiplied by 1.25. Refer to Section 690-8 of the National Electrical
Code for an additional multiplying factor of 125 percent (80 percent derating) which may be applicable in computation of
maximum circuit current for proper conductor sizing. Adjustments of those factors might be needed to respect site specific
climate conditions.
FS-380
P (W) 80.0
MPP
V (V) 48.5
MPP
I (A) 1.65
MPP
V (V) 60.8
OC
I (A) 1.88
SC
V (V)
SYS
I (A)
CF
FS Series 3 PV Module User Guide—North America | Page 4 of 13
FS-382 FS-385
82.5 85.0
48.3 46.4
1.71 1.83
60.8 60.5
1.94 1.94
1000
3.5
, AM 1.5 25°C Cell Temperature) +/-10%
2
PD-5-200-03 NA | REV 2.1 | 02771_UG_NA_24OCT12
FS-387 FS-390
87.5 90.0
47.0 47.4
1.86 1.90
60.5 60.5
1.99 2.06
FS-392
92.5
47.7
1.94
60.5
2.11