Help for inverter design

Inverter Design NQR-256A
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
13,57
13,82
14,08
14,34
14,59
14,85
15,10
15,36
15,62
15,87
16,13
16,38
16,64
16,90
17,15
17,41
17,66
17,92
18,18
18,43
18,69
18,94
19,20
19,46
19,71
19,97
20,22
20,48
20,74
20,99
21,25
21,50
21,76
22,02
22,27
22,53
22,78
23,04
23,30
23,55
23,81
24,06
24,32
24,58
4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
Piko 15
x x x x x x x x x x x x x x x x x x
Piko 17
x x x x x x x x x x x x x x x
Piko 20
o o o x o o o o o o o o x x x x x x o o o o x x
Symo 12.5-3-M
x x x x x x x x
Symo 15.0-3-M
x x x x x x x x x x x x x x x x x x x x
Symo 17.5-3-M
x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
Symo 20.0-3-M
x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
STP15000TL-30
x x x x x x x x x x x
STP20000TL-30
x x x x x x x x o o o o o x o x x x x x x x x x
STP25000TL-30
o o o o o o o o o o o o o o o
Key:
x
fit (at least one string connection possible, see inverter manufacturer design tools)
o
operating below mpp range (at +70°C)
not fit
Fringe conditions:
80-120% Ppv/Pacinv inverter ratio
Temperature range -10°C to +70°C
max. system voltage NQR-256A 600V
max. 16 modules
per string (with -10°C 573,04V system/string voltage)
generator field with one orientation and tilt
Hints:
This chart can be used for
preselection
of suitable inverters and will not replace an individual inverter design. The detailed planning and approvement has to be made by the installer.
Technical changes reserved, no liability assumed! This chart was made with inverter manufacturer design tools (Kostal Piko Plan 2.0, Fronius Online Configurator, SMA Sunny Design).
SMA
Modules
kWp
Strings
KostalFronius
171108 Inverter Design NQR-256A.xlsx 2 23.02.2018