SMA STP 15000TL Installation - Manual (Page 87)

SMA Solar Technology AG Technical Data
Installation Manual STP20TLHE-IA-IEN122222 87
* Depending on country setting
Efficiency
13.1.3 Sunny Tripower 20000TL Economic Excellence
DC Input
* The maximum open-circuit voltage which can occur at a cell temperature of − 10°C must not exceed the maximum input voltage.
AC Output
Displacement power factor, adjustable 0.8
overexcited
… 0.8
underexcited
Feed-in phases 3
Connection phases 3
Overvoltage category as per IEC 60664-1 III
Maximum efficiency, η
max
99.0%
European weighted efficiency, η
EU
98.7%
Maximum DC power at cos φ = 1 20,450 W
Maximum input voltage* 1,000 V
MPP voltage range at 230 V AC 580 V … 800 V
Rated input voltage 580 V
Minimum input voltage at 230 V AC 570 V
Start input voltage 620 V
Maximum input current 36 A
Maximum input current per string 36 A
Number of independent MPP inputs 1
Strings per MPP input 6
Rated power at 230 V, 50 Hz 20,000 W
Maximum apparent AC power 20,000 VA
Rated grid voltage 3/N/PE, 230 V/400 V
AC voltage range* 160 V … 280 V
Nominal AC current at 230 V 29 A
Maximum output current 29 A
Maximum short-circuit current 50 A
Total harmonic factor of the output current with
total harmonic factor of the AC voltage < 2%,
AC power > 0.5 rated power ≤ 2.6%
Maximum residual output current 96 mA
Rated power frequency 50 Hz
AC power frequency* 50 Hz/60 Hz