Planning the Power Optimizers Installation
Plan the installation according to the inverters to be used. The following sections describe the planning
considerations when using SolarEdge inverters, and when using non-SolarEdge inverters, with or without
the Safety & Monitoring Interface.
Planning Connection to SolarEdge Inverters
You can create parallel strings of unequal length, that is, the number of power optimizers in each
string does not have to be the same.
Use the minimum and maximum string lengths, depending on the inverter type. The string lengths
are specified in
Power Optimizer Datasheet
s supplied with the power optimizers. Refer to the
SolarEdge Site Designer for string length verification.
Completely shaded modules cause their power optimizers to temporarily shut down. This will not
affect the performance of the other power optimizers in the string as long as the minimum number
of power optimizers connected to unshaded modules meet the minimum required string voltage. If
under typical conditions fewer than the minimum number of optimizers is connected to unshaded
modules, add more optimizers to the string.
Refer to the SolarEdge Site Designer for verification. You can download the software from
http://www.solaredge.com/groups/support/downloads
Figure 1: Power Optimizers Connected in Series to SolarEdge Inverter
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