SMA SUNNY TRIPOWER 5.0 SMART ENERGY - Page 31

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SMA Solar Technology AG
Operating Manual STPx0-3SE-40-BE-en-10 31
B32A
SUNNY
PORTAL
Ethernet
L3
N
PE
L2
L1L3
N
PE
L2
L1
L3 PEN
L2
L1
SMA ENERGY METER /
SUNNY HOME MANAGER 2.0
L3
N
PE
L2
L1
L3
N
PE
L2
L1L3
N
PE
L2
L1
B20A
*
PE
Sunny Tripower
Smart Energy
PV1
BAT
ETH
AC GRID
L3
L2
L1
N
PE
PV2
AC BACKUP
L3
L2
L1
N
PE
ETH
DC+ DC− DC+ DC− DC+ DC−
GRID-CONNECTION POINT
with energy meter of the
electric utility company
PROTECTIVE
DEVICE
UTILITY
GRID
Grounding conductor
Line conductor
Neutral conductor
LOADS
without backup
HOUSE DISTRIBUTION
BOARD with
protective devices
BACKUP
LOADS
HOUSE DISTRIBUTION
BOARD with
protective devices
ROUTER
Load
Hybrid
inverter
Grid
Hybrid
inverter
Load
Grid
House connection box
PROTECTIVE
DEVICE
*) optional manual switch
Loads can continue to be supplied
even under fault conditions.
Distribution
Figure 8: Circuitry overview with battery-backup system and optional transfer switch (example)