Sungrow SG50KTL-M-20 User manual

10min








































A B C D
，

L2
L1
L3
PE
IT
Transformer
L2
N
L1
L3
PE
TT
Transformer
L2
PEN
L1
L3
PE
TN-C
Transformer Transformer
L2
N
PE
L1
L3
PE
TN-C-S
L2
N
PE
L1
L3
SG50KTL-M-20
PE
TN-S
Transformer
SG50KTL-M-20 SG50KTL-M-20
SG50KTL-M-20 SG50KTL-M-20
，

5
6
24
3
1
7
8
5

958
665 257




1
1
3
2
2

Combiner Box Unit
MPPT1
(Boost)
three-level
Inversion Circuit AC
EMC
Filter
LCD/RS485
DC Bus
MPPT2
(Boost)
DC EMC
Filter
DC EMC
Filter
DSP+CPLD
AC
Reactor
Auxiliary Power
Circuit
DC1
DC2
L1
L2
L3
PE
Fans
MPPT3
(Boost)
DC EMC
Filter
DC3
MPPT4
(Boost)
DC EMC
Filter
DC4
DC3 DC4
L3
L2L1 PE
DC3 In DC4 In
DC1 DC2
DC1 In DC2 In
DC SPD
DC SPD
DC SPD
DC SPD
DC Switch
DC Fuse
Relay
N
N
L3
L2L1 N





−
−
−
−