Sungrow SG80KTL User manual

II
WARNING
Disconnect the inverter from all the
external power sources before service!
Do not touch live parts until
10 minutes after disconnection
from the sources!
10 min
Hot surface! May exceed 60℃！
Danger to life due to high voltages!
Only qualified personnel can open
and service the product!
Check user manual before service!

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A B C D

L2
L1
L3
SG80KTL
PE
IT
Transformer
L2
N
L1
L3
SG80KTL
PE
TT
Transformer
L2
PEN
L1
L3
SG80KTL
PE
TN-C
Transformer Transformer
L2
N
PE
L1
L3
SG80KTL
PE
TN-C-S
L2
N
PE
L1
L3
SG80KTL
PE
TN-S
Transformer
24
5
3
1
67
8
3

267
932

1
1
3
2
2

Inversion circuit
LCD/RS485
DSP+CPLD
DC
L1
L2
L3
PE
L3
L2
L1 PE
DC
DC In
+ -
+ -
L1 L2 L3
DC EMI
Filter
DC bus
Inversion
circuit
AC
EMI
Filter
AC
Reactor
Relay
Junction box
Fan
DC SPD
DC
switch
DC fuse
Auxiliary
power circuit
Current detection

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−
−
−
−
−
−
−
−
−
−
−
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Ambient Temperature [°C]
Temperature Derating Curve（Vac=400V）
S（KVA）
80
60
26.4
45 50 60
0
70
Vmpp=600V
Vmpp=700V
Vmpp=800V
32
Vmpp=850V