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17
String Optimizer V600-32 Platform
Installation Manual: 57070021-1 A
1.
The greatest calculated voltage in open circuit on Input 1 (Voc-coldest temperature)
must be less than or equal to the optimizer
’
s maximum input voltage per the
appropriate datasheet in
Specifications
section.
V
oc-cold-in1
≤ Optimizer’s
Maximum voltage per input
2.
The greatest calculated voltage in open circuit on Input 1 (Voc-coldest temperature
calculation) must be less than or equal to the inverter’s maximum input voltage.
V
oc-cold-in1
≤ Inverter maximum input
voltage
3.
The smallest calculated voltage in open circuit on each input (Voc-hottest temperature)
must be greater than the optimizer’s startup voltage
per the appropriate datasheet in
Specifications
section.
V
oc-hot-in1
> Optimizer's
Startup voltage per input
V
oc-hot-in2
> Optimizer's
Startup voltage per input
4.
The smallest calculated voltage at maximum power on each input (Vmp-hottest
temperature) must be at least half of the output voltage of the optimizer (operational
voltage of the DC bus).
V
mp-hot-in1
> (V
out
÷ 2)*
V
mp-hot-in2
> (V
out
÷ 2)*
5.
The greatest calculated voltage at maximum power on each input (Vmp-coldest
temperature calculation) must be less than the output voltage of the optimizer
(operational voltage of the DC bus).
V
mp-cold-in1
< V
out
*
V
mp-cold-in2
< V
out
*
6.
The greatest calculated voltage in open circuit on Input 1 (Voc-coldest temperature
calculation) must be greater than the greatest calculated voltage in open circuit on
Input 2. Always have the higher of the input voltages on Input 1.
V
oc-cold-in1
≥ V
oc-cold-in2
7.
The rated input power for Input 1 must be greater than or equal to rated power on
Input 2 and the rated input power for Input 2 must be at least half the rated power of
Input 1. If you have two strings with different power ratings, install the higher power
string on Input 1.
(P
in1
÷ 2) < P
in2
≤ P
in1
* Vout = voltage at the output of the optimizer, which includes the voltage set by the inverter (or battery
converter) plus line losses
