User manual

9 Technical data

9.1 Inverter

9.1.1 StecaGrid 1500/1500x/2000/2000x

StecaGrid 1500/x StecaGrid 2000/x

DC input side (PV generator connection)

Number of DC inputs 1

Maximum start voltage 420 V

Maximum input voltage 420 V

Minimum input voltage for grid-

feeding

75 V

Start input voltage 90 V

Rated input voltage 195 V 255 V

Minimum input voltage for rated

output

135 V 180 V

Number of MPP trackers 1

Operating input voltage range 75 ... 350 V

Maximum input current 11.5 A

Rated input current 8 A

Maximum backfeed current into

the PV generator

0 A

Maximum input power at max-

imum active output power

1,540 W 2,050 W

Rated input power (cos phi = 1) 1,540 W 2,050 W

Recommended maximum PV

power

1,800 Wp 2,500 Wp

Derating / power limiting occurs automatically when:

n input power > max. recommended PV power

n Cooling is inadequate

n Input current too high

n Grid current too high

n Internal or external power reduction

n Grid frequency too high (in accordance with country set-

ting)

n Limiting signal on external interface

n Output power limited (set on the inverter)

AC output side (grid connection)

Output voltage 185 V ... 276 V (depending on the country settings)

747.431 | Z09.3 | 2017-09-05