Electrical Panels Manager (EPM)

Electrical Panels Manager is a purpose-built Autodesk® Revit® add-in for electrical engineers and BIM coordinators. It consolidates panel data management, cable sizing, voltage drop analysis, and short-circuit studies into a single streamlined interface — without leaving Revit.

 

PANEL PROPERTIES MANAGEMENT

View and edit all critical panel data in one place: panel name, location, mains rating, CB rating, enclosure type, number of slots, and comments. EPM reads directly from Revit's built-in electrical parameters and writes changes back to the model in a single transaction. Multi-panel selection enables batch edits and the auto-calculation of mains and CB ratings across the entire project with one click.

Auto-naming generates standardized panel identifiers based on user-defined prefix, reference code, separator, start index, and increment — consistent with project naming conventions and grouped by level or location.

 

CABLE SIZING — IEC 60364-5-52

The integrated cable sizer selects the minimum adequate copper XLPE cable section per IEC 60364-5-52, accounting for:

• CB rating and 80% design current rule (IEC 60364-4-43)
• Installation method derating (Enclosed/Conduit B1, Clipped Direct C, Underground D)
• Full impedance voltage drop formula: ΔV = √3 × I × L × (R·cosφ + X·sinφ) for three-phase circuits
• Conductor resistance at 90°C operating temperature per IEC 60228
• User-defined maximum voltage drop limit
• Parallel conductor sets when no single cable satisfies the constraint

Results are written directly to the Revit model as shared parameters (Cable_Size_IEC, Cable_Length_m) on each panel element.

 

VOLTAGE DROP & SHORT-CIRCUIT ANALYSIS — IEC 60909

The VD & Fault Study tab performs a full upstream impedance analysis per IEC 60909-0:

• Symmetrical initial short-circuit current Ik″
• Peak short-circuit current ip with κ factor
• Equivalent thermal short-circuit current Ith (1s)
• Total impedance breakdown (source + transformer + cable)
• Voltage factor c per IEC 60909-0 Table 1 (cmax = 1.05 for LV breaker sizing)
• Protection type recommendation and required breaking capacity per IEC 60947-2 / IEC 60898

 

REPORTING — EXCEL & PDF

Export a complete panel schedule to Excel (XLSX) with load summary, calculated currents, CB ratings, cable sizes, voltage drop values, and overload flagging. A second sheet provides project-level totals and statistics.

PDF reports are generated for both the panel schedule and the VD & SC engineering analysis, formatted for submission to clients or authorities.

 

ADDITIONAL FEATURES

• Auto-create Revit Panel Schedule Views for selected panels in one click
• Panel Hierarchy Tree visualizing upstream/downstream relationships
• Show Panel command — section box zoom in 3D views, element zoom in plan views
• Whole-project or active-view panel collection mode
• Panel search and multi-selection with filtered list
• Compatible with Revit 2021, 2022, 2023, 2024, 2025, 2026, and 2027

 

FREE TO USE

Electrical Panels Manager is providing a free one-month trial to the Revit electrical engineering community.

Calculations are performed per IEC 60364-5-52, IEC 60228, IEC 60898, IEC 60947-2, and IEC 60909-0. Users are responsible for verifying results against project-specific conditions and local regulations.