IEEE 1584-2018 & IEC 60909 Compliant

Power Systems
Analysis
Reimagined

Arc flash studies, short circuit calculations, and TCC coordination in one unified platform. Drag. Drop. Analyze.

IEEE 1584-2018
IEC 60909
ANSI C37
NFPA 70E

Validated against industry standards

144K+
Test Cases Passed
800+
Device Curves
0.1%
Calculation Tolerance
<50ms
Response Time
Core Capabilities

Everything you need for power systems analysis

Industry-standard calculations, validated against 144,000+ test cases. From arc flash to coordination, all in one platform.

IEEE 1584-2018

Arc Flash Analysis

Complete 13-coefficient model with automatic PPE categorization, arc flash boundary, and incident energy. Includes DC arc flash for battery systems.

5 electrode configs (VCB, VCBB, HCB, VOA, HOA) DC Arc Flash for UPS/batteries NFPA 70E labels with QR codes
IEC 60909 & ANSI C37

Short Circuit Studies

Dual-standard support: IEC 60909 for international projects, ANSI C37.010/C37.13 per IEEE 551 (Violet Book) for North American systems.

3-phase, SLG, LL, DLG faults Momentary & interrupting duty NACD ratio calculation
Smart Library

TCC Coordination

800+ curves plus 5 smart families (MicroLogic, SEPAM) with equation-driven settings. Drag curves directly on the graph to adjust protection.

~25M configurations possible Drag-to-edit curves Auto CTI verification
Visual One-Line Editor

System Builder

Drag-and-drop electrical system design with in-place fault currents and arc flash results displayed directly on the diagram.

Real-time calculations Scenario Manager What-If analysis sliders
IEEE 242 Compliant

Auto-Coordination

Automatic protective device coordination per IEEE 242. Calculates optimal Ir, tr, Isd settings maintaining CTI margins while accounting for motor LRC and transformer inrush.

CTI margin calculation Motor/transformer inrush Upstream/downstream stacking
Professional Output

Reports & Export

Generate PDF arc flash labels, Word reports with methodology, and Excel exports. PE signature workflow for professional engineers.

PDF/Word/Excel export NFPA 70E labels PE digital signature
Engineering Precision

Standards-compliant calculations

Every formula validated against industry reference implementations. Results you can trust for critical safety decisions.

Arc Flash

IEEE 1584-2018
Incident Energy cal/cm²
E = 4.184 × Cf × En × (t/0.2) × (610^x/D^x)
Arc Flash Boundary mm
D = [4.184 × Cf × En × (t/0.2) × 610^x / Eb]^(1/x)
Arcing Current kA
Iarc = f(Ibf, Voc, G, config)

Short Circuit (IEC)

IEC 60909-0:2016
Initial SC Current kA
I"k = c × Un / (√3 × |Zk|)
Peak Current kA
ip = κ × √2 × I"k
Motor Contribution kA
I"kM = μ × I"k × (1 + pΣ × q)

Short Circuit (ANSI)

C37.010 / IEEE 551
Momentary Duty kA
Imom = Isym × MF (first-cycle)
Interrupting Duty kA
Iint = Isym × NACD × MF
Closing & Latching kA
I_CL = 1.6 × Isym_rms

Protection

IEEE C37.112 / IEC 60255
Coordination Time s
CTI = t_backup - t_primary ≥ 0.3s
Inverse Time s
t = TDS × k / [(I/Ip)^n - 1]
I²t Let-Through A²s
I²t = ∫₀ᵗ i²(t) dt

IEEE Excel Calculator

Validated against official IEEE 1584-2018 V2.6.6 spreadsheet

pandapower Verified

IEC 60909 results cross-validated with pandapower library

Annex D Examples

All IEEE 1584 Annex D1 & D2 examples pass within 0.1%

See It In Action

Built for real engineers

Watch how NormaLang Studio transforms complex power systems analysis into an intuitive, visual experience.

NormaLang Studio - System Analysis

Click to play demo

Equipment Panel 13.8kV Main Bus M Arc Flash Results 12.4 cal/cm2 PPE Category 3 AFB: 1.8 m I"k: 35.2 kA

Drag & Drop Design

Build one-line diagrams visually with real-time validation.

In-Place Results

Fault currents and arc flash energy shown directly on diagram.

Scenario Manager

Compare Utility vs Generator, test future expansion scenarios.

Pro Reports

PDF labels, Word reports with methodology, Excel batch export.

Simple Pricing

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What's included

  • 1 electrical system
  • 5 calculations per month
  • Arc Flash calculations
  • Short Circuit analysis
  • View-only results
  • No PDF/Word exports
  • No TCC coordination
  • Watermarked reports
  • Community support only
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Full access for professional engineers

$149.99 /month
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What's included

  • Unlimited electrical systems
  • Unlimited calculations
  • Arc Flash + Short Circuit
  • TCC Coordination
  • PDF Labels + Word Reports
  • Batch processing
  • 800+ device curves
  • Priority email support
  • No watermarks
  • Export to all formats

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