Steca coolcept StecaGrid 1500, Installation And Operating Instruction

Page: 79 / 94

StecaGrid 3600/x StecaGrid 4200/x
Rated frequency 50 Hz and 60 Hz
Grid type L / N / PE (protective earth)
Grid frequency 45 Hz ... 65 Hz (depending on the country settings)
Power losses in nighttime
operation
< 2 W
Feeding phases single-phase
Distortion factor (cos phi = 1) < 2 %
Power factor cos phi 0.95 capacitive ... 0.95 inductive
Characterization of the operating behaviour
Maximum efficiency 98.6 %
European efficiency 98.3 % 98.2 %
CEC efficiency 98.3 % 98.2 %
MPP efficiency > 99.7 % (static), > 99 % (dynamic)
Efficiency values (at 5 %, 10 %,
20 %, 25 %, 30 %, 50 %, 75 %,
100 % of the rated output
power) at rated voltage
95.8 %, 97.4 %, 98.2 %, 98.3
%, 98.4 %, 98.4 %, 98.1 %,
97.7 %
96.2 %, 97.6 %, 98.3 %, 98.3
%, 98.3 %, 98.2 %, 97.9 %,
97.4 %
Efficiency values (at 5 %, 10 %,
20 %, 25 %, 30 %, 50 %, 75 %,
100 % of the rated output
power) at minimum MPP voltage
96.3 %, 97.7 %, 98.5 %, 98.6
%, 98.6 %, 98.5 %, 98.3 %,
97.9 %
96.7 %, 98.0 %, 98.5 %, 98.6
%, 98.6 %, 98.4 %, 98.1 %,
97.6 %
Efficiency values (at 5 %, 10 %,
20 %, 25 %, 30 %, 50 %, 75 %,
100 % of the rated output
power) at maximum MPP voltage
95.2 %, 97.0 %, 97.8 %, 98.0
%, 98.1 %, 98.0 %, 97.8 %,
97.5 %
95.7 %, 97.0 %, 98.0 %, 98.1
%, 98.2 %, 97.9 %, 97.6 %,
97.2 %
Efficiency reduction in the case
of a rise in ambient temperature
(at temperatures > 40 °C)
0.005 %/°C
Efficiency change in the case of
deviation from the DC rated
voltage
0.002 %/V
Own consumption < 4 W
Derating at full power from 50 °C (T
amb
) from 45 °C (T
amb
)
Switch-on power 10 W
Switch-off power 5 W
Safety
Protection class II
EN
747,431 | Z09.2 | 18/02/2016 79