Sungrow SG15KTL-M User manual

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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
There is a danger from a hot surface
that may exceed 60℃！
Danger to life due to high voltages!
Only qualified personnel can open and
service the inverter.
Check the user manual before service!

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A B C D
， ， ，

L2
PEN
L1
L3
TN-C
Transformer Transformer
L2
N
PE
L1
L3
TN-C-S
Inverter
L2
N
L1
L3
TT
Transformer
L2
N
PE
L1
L3
TN-S
Transformer
L1 L2 L3 N PE Inverter
L1 L2 L3 N PE Inverter
L1 L2 L3 N PE
Inverter
L1 L2 L3 N PE
SG 15K TL M
-
Multiple inputs of MPPTs
Transformerless
Code of power level
Code of PV grid-connected inverter

1
5
2
2
3
4

210
485
370

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N
DC
Switch DC Bus
L1
InverterCircuit
(DC/AC) PE
AC
Filter AC Relays AC EMI Filter L2
L3
ACSPDDCSPD
DC EMI
Filter
MPPT
( Boost2)
MPPT
( Boost1)
DC1
DC2
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−
−
−
−
−
−
−
−
−
−
−
−
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Temperature（℃）
SG15KTL-M
P/Pn
0.8
0.2
0.6
0.4
1.2
1.0
-25 0 25 45 60-40
Vmmp=410V
Vmmp=600V
Vmmp=380V
30 35
1.1
SG20KTL-M
P/Pn
0.8
0.2
0.6
0.4
1.2
1.0
-25 0 25 45 60-40
Vmmp=520V
Vmmp=600V
Vmmp=480V
30 35
1.1
Temperature（℃）