STP15000TL-30 STP20000TL-30 STP25000TL-30
Total harmonic distortion of the output
current with total harmonic distortion
of the AC voltage <2%, and AC
power >50% of the rated power
≤3% ≤3% ≤3%
Rated power frequency 50 Hz 50 Hz 50 Hz
AC power frequency* 50Hz/60Hz 50Hz/60Hz 50Hz/60Hz
Operating range at AC power fre-
quency 50Hz
44Hzto55Hz 44Hzto55Hz 44Hzto55Hz
Operating range at AC power fre-
quency 60Hz
54Hzto65Hz 54Hzto65Hz 54Hzto65Hz
Power factor at rated power 1 1 1
Displacement power factor, adjustable 0
overexcited
to
0
underexcited
0
overexcited
to
0
underexcited
0
overexcited
to
0
underexcited
Feed-in phases 3 3 3
Phase connection 3 3 3
Overvoltage category in accordance
with IEC62109-1
III III III
* depending on the configured country data set
Efficiency
STP15000TL-30 STP20000TL-30 STP25000TL-30
Maximum efficiency, η
max
98.4 % 98.4 % 98.3 %
European weighted efficiency, η
EU
98.0% 98.0 % 98.1 %
Protective Devices
DC reverse polarity protection Short-circuit diode
Input-side disconnection point DC load-break switch
DC overvoltage protection Surge arrester typeII (optional)
AC short-circuit current capability Current control
Grid monitoring SMAGridGuard3
Maximum permissible fuse protection 50A
Ground fault monitoring Insulation monitoring: R
iso
> 250kΩ
All-pole sensitive residual-current monitoring unit Available
11 Technical Data
SMA Solar Technology AG
Operating Manual 47STP15-25TL-30-BE-en-13