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Equipment Placement and Wiring Scheme Options

PVFARM supports several combiner Box/LBD placement and wiring scheme options. 

LV Equipment Placement

PVFARM provides several options for combiner and LBD placement. As you select different configurations, the platform allows you to visualize how each option affects the overall layout. The possible equipment placement combinations are shown below. 
  • CB Placement Strategy : Defines how the combiner boxes should be positioned
    • Distributed
      Screenshot 2026-09-28 at 10.54.47 AM
    • Clustered
      Screenshot 2026-09-28 at 10.55.06 AM
  • Clustering: Determines the strategy used to group combiner boxes when clustered placement is selected.
    • Full
      Screenshot 2026-09-28 at 10.55.15 AM
    • Partial
      Screenshot 2026-09-28 at 10.55.24 AM
  • Position in the Row - Defines where the boxes should be placed in relation to the array rows. 
  • Row Grouping - Defines the number of array rows included vertically within each low-voltage equipment configuration.
    • Multi Array
      Screenshot 2026-09-28 at 10.55.34 AM
    • Single Array
      Screenshot 2026-09-28 at 10.55.43 AM

Combiner Box/LBD Placement Examples

  • Distributed-Middle-Single

Screenshot 2026-09-28 at 10.55.54 AM

  • Distributed-Middle-Multi

Screenshot 2026-09-28 at 10.56.55 AM

  • Distributed-End of Row-Single

Screenshot 2026-09-28 at 10.57.06 AM

  • Distributed-End of Row-Multi

Screenshot 2026-09-28 at 10.57.16 AM

  • Clustered-Partial-Middle-Single

Screenshot 2026-09-28 at 10.57.28 AM

  • Clustered-Partial-Middle-Multi

Screenshot 2026-09-28 at 10.57.37 AM

  • Clustered-Partial-End of Row-Single

Screenshot 2026-09-28 at 10.57.46 AM

  • Clustered-Partial-End of Row-Multi

Screenshot 2026-09-28 at 10.57.55 AM

  • Clustered-Full-Middle-Single

Screenshot 2026-09-28 at 10.58.04 AM

  • Clustered-Full-Middle-Multi

Screenshot 2026-09-28 at 10.58.12 AM

  • Clustered-Full-End of Row-Single

Screenshot 2026-09-28 at 10.58.20 AM

  • Clustered-Full-End of Row-Multi

Screenshot 2026-09-28 at 10.58.30 AM

String Inverter Wiring

Below are the available wiring schemes for string inverters. 

 

Screenshot 2026-09-28 at 10.58.51 AM

 

Central Inverter Wiring

Below are the available wiring schemes for central inverters. 

Screenshot 2026-09-28 at 10.59.00 AM