Steca coolcept StecaGrid 1500, Инструкция по установке и эксплуатации

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U
PV
= Potential between the plus (+) and minus (–) DC
‑
connections
StecaGrid 1500/2000 and 1500x/2000x
375 V
−350 V
DC (+)
DC (−)
U
t
0 V
U
PV
= 350 V
375 V
−75 V
DC (+)
DC (−)
U
t
0 V
U
PV
= 75 V
Fig. 1: Potential curves of U
PV
at 75 V (left) and 350 V (right)
StecaGrid 2500/3010 and 2500x/3010x
125 V
−160 V
DC (+)
DC (−)
U
t
0 V
−320 V
U
PV
= 125 V
180 V
−180 V
−250 V
250 V
320 V
0 V
−320 V
U
t
U
PV
= 500 V
DC (+)
DC (−)
Fig. 2: Potential curves of U
PV
at 125 V (left) and 500 V (right)
StecaGrid 3600/4200 and 3600x/4200x
175 V
− 175 V
− 275 V
275 V
320 V
U
t
0 V
− 320 V
U
PV
= 350 V
DC (+)
DC (−)
175 V
− 175 V
− 275 V
275 V
320 V
0 V
− 320 V
U
t
U
PV
= 550 V
DC (+)
DC (−)
Fig. 3: Potential curves of U
PV
at 350 V (left) and 550 V (right)
2.5 About this manual
2.5.1 Contents
This manual describes the inverters of the types coolcept and
coolcept-x. The points at which the types differ are marked in the
text.
Potential curves of the
plus (+) and minus (–) DC
connections with respect
to PE
EN
747,431 | Z09.2 | 18/02/2016 9