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Features

Stringing and Inverter Selection

Once the panels are placed, the electrical design is done on the same roof: choose the inverter, build the strings, get the MPPT allocation.

Overview

Electrical Design Inside the Layout

In PVAGE, stringing is not done in a separate spreadsheet but inside the roof design where the panels sit. You pick an inverter from the catalogue, and automatic stringing calculates the modules in series, the string count and the allocation per inverter and per MPPT.

String connections are drawn on the roof as colored lines with plus/minus terminal labels. The inverter position is set and shown in the 3D scene with its cable. Automatic stringing also works on projects with 3,115 panels, 183 strings and 20 parallel inverters.

What Is in the Stringing Screen?

  • On-grid, off-grid and hybrid inverter catalogue
  • Brand and phase filters; power, MPPT count and maximum open-circuit voltage (Voc)
  • Number of identical inverters in parallel
  • Automatic stringing: modules in series and string count
  • Used and remaining panel count
  • Allocation list per inverter and per MPPT
  • Manual stringing by picking plus and minus terminals
  • Inverter placement and cable shown in the 3D scene
How It Works

Stringing in Three Steps

After the panels are placed, select the inverter, let automatic stringing build the strings and adjust them by hand if needed.

1 · Inverter Selection

  • Catalogue filtered as on-grid, off-grid and hybrid
  • Brand and phase filters
  • Power, MPPT count and Voc on each card
  • Number of parallel units

2 · Automatic Stringing

  • Best configuration for the selected inverter
  • Modules in series and total string count
  • Used and remaining panel count
  • Allocation per inverter and per MPPT

3 · Manual Adjustment

  • Panels grouped into strings by hand
  • Connections made by picking plus and minus terminals
  • String lines hidden or shown while keeping the assignment
  • Shaded panels identified with the sun simulation and grouped accordingly
Checks and Connections

From Design to Proposal Without Re-entry

Voltage and MPPT Checks

  • Panel-inverter matching and MPPT limit check in the system analysis
  • Off-grid design limits modules in series by accounting for the cold-weather rise in open-circuit voltage
  • Voltage limit per MPPT and modules per string

Together with Shading

  • Panel-level shading loss feeds the stringing decision
  • Month and hour sun simulation in the same scene
  • Faces with different orientations can be assigned to separate MPPT inputs

Into the Proposal and Materials

  • Panel count and bill of materials feed the proposal
  • Selected inverters and panels are added to proposal lines from the catalogue
  • The design can be shown to the customer through a 3D link
Why It Matters

Why String Inside the Design?

When stringing is done in a separate spreadsheet, the link to each panel's position, shading and orientation is lost. In PVAGE, strings, inverters and MPPT allocation are built on the roof where the panels sit; shading and orientation are visible on the same screen, and the result flows into the proposal and material list without re-entering data.

Other Features

What You Can Do with PVAGE

3D Roof Design

Scaled roof drawing on satellite imagery, automatic panel placement, stringing and bill of materials, presented in a satellite-textured 3D scene.

Learn more

Shade Analysis

Add obstacles and surrounding structures, follow shadows by month and hour, and calculate panel-level shading loss.

Learn more

Financial Analysis & Payback

Calculate the payback period from cost, savings, financing scenarios and electricity price escalation assumptions.

Learn more

Proposals & Contracts

Corporate proposal documents with materials, labour and margins; online customer approval and one-step contract generation.

Learn more
See all features
See It Live

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