Single Line Diagram
· Sample residential PV
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PV array
DC combiner box
Isolator (auto AC/DC)
Inverter
ATS
Transfer switch (ATS)
G
Generator
Surge protection (SPD)
Cut-out fuse
Henley block
kWh
Generation meter
kWh
Import/export meter
Consumer unit
Load / sub-board
+
–
Battery
#DC1
#DC2
#DC3
#DC4
#AC1
#AC2
#AC3
#AC4
#AC5
#AC6
#AC7
#DC5
PV MODULES GENERATE IN DAYLIGHT AND CANNOT BE
ISOLATED
PV SYSTEM MAIN SWITCH · POINT OF
EMERGENCY SWITCHING
String 1
String 2
DC combiner
DC isolator
GoodWe GW5000-EH
AC isolator
Generation meter
kWh
Henley block
Utility meter
kWh
DNO cut-out
100 A
DNO / Grid
Consumer unit
GoodWe LX F9.8-H
+
–
✓ Checks
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