21
Connection for excess export with power storage system
On-site energy consumption to paragraphs 33 and 4(3)
of the German CHP Act (KWKG)
B
C
D
E
F
G
K
L
Z3
A
N
O
H
1~/N/PE
M
400V / 230V~
~
P
kWh
Z1
kWh
kWh
Z4
G
K
L
Z2
=
R
S
T
1~/N/PE
~
kWh
S1
~
U
V
kWh
S2
kWh
Fig. 9
A
Low voltage grid
B
Main power supply
C
Domestic distribution box
D
Property boundary
E
Grid operator
F
Customer
G
Power distribution
H
On-site consumers
K
Short circuit protection
L
Overload protection, RCD
M
Vitovalor PA2
N
GS protection
O
Inverter (DC/AC converter) S
EMAX
= 0.75 kVA
P
Fuel cell stack
Preparing for installation
Notes on connecting to the mains supply
(cont.)
5839343
Installation
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