SMA - SMA Tigo TS4 Retrofit Module - Optimised
The Tigo solution comes in two varieties depending on what functionality you need: monitoring only, or full optimisation. The products can be deployed either on individual modules or on the complete system.
This version, the TS4-R-O, can be added to only the modules in an array that are shaded. If module-level monitoring is required, a TS4-R-M is required on each module.
As an example if there are eight modules in total, and two are shaded, you could install 2 x TS4-R-O to overcome the shading and 6 x TS4-R-M to enable monitoring for the rest of the modules.
Further information on the SMA website: http://www.sma.de/en/products/smart-module-technology/tigo-ts4-r.html#Overview-240156
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